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Factors and Multiples Class 5 Maths – Worksheet
Chapter 4
Section A
Answer the following
1) Find the factors – 81, 125, 525, 172
2) Which of the numbers are divisible by 3 = 27, 81, 55, 79, 190
3) Which of the following numbers are divisible by 5 = 125, 555, 890, 267
4) Which of the following are prime numbers = 1, 9, 13, 12, 65, 88, 59, 47, 56, 99, 74, 67
5) Write a pair of twin prime numbers.
6) Find the first 4 multiple of = 5, 12, 19, 20, 24
7) Which of the following numbers are divisible by 2= 4, 8, 17, 18, 23, 28
Section B
Solve the problems
1) Find the greatest common factor of 10, 25, and 40.
2) Write the Prime factorization of the following numbers= 56, 220, 430, 520, 880, 960
3) Name the greatest two digit Prime number and smallest composite number.
4) Write the greatest composite number less than = 41, 53, 67, 97
5) Find the least prime numbers greater than = 13, 29, 35, 49, 85
6) ……………. From 1 to 100 , what Is the greatest composite number.
7) …………….. is the smallest prime number.
8) 31 and 33 are………. Prime
9) 25 is the factor of 525, Prove that-
10) Find the prime factorizing smallest number of 4 digit
Section C
L.C.M and H.C.F Method
1) Find the L.C.M of–
a)25,30,50
b) 50,70,100
2) Find the L.C.M by prime factorization number – a)15,20, b) 24,30
3) Find the L.C.M of following numbers –
a) 36,46,56,88
b) 48,50,54,94 c) 44,55,66,88
4) Find common factors of following numbers. Find their H.C.F-
a) 108,142, b) 64,84,94, c) 25, 125,525
5) The LCM and product of two numbers is 84 and 864 respectively. Find their HCF
6) Prime factorization of 8,32,64,81,121,525,825, 99
7) Use division method to find the H.C.F of the following numbers:
a) 35 and 45, b) 64 and 91, c) 525 and 575, d) 840 and 980
8) Find the L.C.M of following numbers:
a) 168 and 328, b) 124 and 424
Section D
1) Two bags of books contain 84 and 94 books respectively. These books are to be packed into small packets which will contain same number of books. How many maximum number of books can be packed in each small packet?
2) The student of two classes are supposed to stand in rows having same number of students. There are 48 and 60 students in the classes. How many maximum number of students will stand in each row?
3) A shopkeeper sold history books for rs 108 on Tuesday and for rs 94 on Wednesday. What can be the maximum price of each book?
4) What is the least number of apples a teacher should have so that when she distributes equal of them to her 25, 30, 45 students no apples left with her?
5) Three bells ring at intervals of 15, 30, 45 minutes. If they all ring at 1.00 pm together, at what time will they ring next together?
6) Ram saves 3.50 rupees daily, then how many days it will take to become rupees 40?
7) A) Which of the following numbers are divisible by 2 =9,10,11,13,17,22,28,64,112,122
B) Which of the following numbers are divisible by 9 = 27, 81,91,99,33,67,89,64,637
C) Which of the following numbers are divisible 5 = 25, 525,125 ,267, 657,989,2345
D) Which of the following numbers are divisible by 12 = 60,72,89,91,99,112,108,98
Solutions:
CHAPTER 4:
SECTION A
1) 1,3,9,27,81
1,5,25,125
1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525
1, 2, 4, 43, 86, 172
2) 27 and 81 are divisible by 3
3) 125,555,890 are divisible by 5
4) 1,13,59,47,67
5) {3,5},{5,7}
6) {5,10,15,20},{12,24,36,48},{19,38,57,76},{20,40,60,80},{24,48,72,96}
7) 4,8,18,28 are divisible by 2
SECTION: B
1) 10=5X2X1, 25=5X5X1, 40=2X5X2X2X1. So greatest common factor is 5
2) 56=2X7X2X2,220=2X2X11X5,
430=2X5X43,520=2X2X5X2X13,
880=11X5X2X2X2X2,
960=2X5X2X2X3X2X2X2
3) 97 is the greatest two digit prime number and 4 is the smallest composite number.
4) 40,52,66,96
5) {17,19,23},{31},{37,41,43,47},{53,59,61,67,71,73,79,83},{89,97}
6) 100
7) 2
8) Co-prime
9) 525=25X21 .so 25 is a factor of 525.
10) 2X2X2X5X5X5
SECTION :C
1)
a) 25,30,50 = 150
b)50,70,100=700
2)
a)15,20 = first find the factors of 15 = 5X3 and then 20 =2X5X2 then LCM = 5X3X4 = 60
b) 24,30 = 120
3)
a) 36,46,56,88=255024
b) 48,50,54,94=507600
c) 44,55,66,88=1320
4) Find common factors of following numbers. Find their H.C.F-
a) 108,142 = The factors of 108 are: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108
The factors of 142 are: 1, 2, 71, 142
Then the greatest common factor is 2.
b) 64,84,94 =The factors of 64 are: 1, 2, 4, 8, 16, 32, 64
The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The factors of 94 are: 1, 2, 47, 94
Then the greatest common factor is 2.
c) 25, 125,525 = The factors of 25 are: 1, 5, 25
The factors of 125 are: 1, 5, 25, 125
The factors of 525 are: 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525
Then the greatest common factor is 25.
5) 864/84=10.286
6) 8,32,64,81,121,525,825,99 =
2X2X2,2X2X2X2X2,2X2X2X2X2X2,3X3X3X3,11X11,3X5X5X7,3X5X5X11,3X3X11
7)
a) 35 and 45 = 5
b) 64 and 91 = 1
c) 525 and 575 = 25
d) 840 and 980 = 140
8) Find the L.C.M of following numbers:
a) 168 and 328 = 6888
b) 124 and 424 = 13144
SECTION D
1) To solve this problem find the HCF of two numbers , that is hcf of 84 and 94 is 2 .
2) HCF of 48 and 60 is 12 . So 12 number of students can stand in each row.
3) HCF of 108 and 94 is 2.So maximum price of each book is 2.
4) LCM of 25,30,45 is 450
5) LCM of 15, 30, 45 is 90minutes . So next bell will ring together at 1:00pm + 90min = 2:30pm
6) 40/3.5=11.43 approximately it will take 11 days to become Rs 40
7) A) 10,22,28,64,112,122 are divisible by 2
B) 27, 81,99 are divisible by 9
C) 25,525,125,2345 are divisible by 5
D) 60,72,108 are divisible by 12
Worksheet 2 (Conversion of a fraction into decimal)
Total Marks = 35
Q1] Convert the following into a decimal no [Each Question carry 21⁄2]
1) 7⁄4
2) 5⁄2
3) 9⁄5
4) 11⁄2
5) 7⁄5
6) 25⁄3
7) 19⁄7
8) 23⁄2
Q2] Convert the following into decimal no [Each Question carry 21⁄2]
1) 2 1⁄3
2) 5 1⁄6
3) 7 1⁄7
4) 8 1⁄6
5) 11 1⁄10
Solution
Q1]
1) 1.75
2) 2.5
3) 1.8
4) 5.5
5) 1.4
6) 8.33
7) 2.714
8) 11.5
Q2]
1) 2.33
2) 5.16
3) 7.11
4) 3.16
5) 11.1
We provides more worksheets for Class – V. To see more Worksheets click below –
Worksheets | Answers |
Large Numbers | Click Here |
Addition And Subtraction | Click Here |
Multiplication And Division | Click Here |
Factors And Multiples | Click Here |
Common Fractions | Click Here |
Decimals | Click Here |
Percentage | Click Here |
Measurements | Click Here |
Money | Click Here |
Profit And Loss | Click Here |
Time | Click Here |
Geometry | Click Here |
Perimeter Area And Volume | Click Here |
Perspective View And Net Of A 3 D Object | Click Here |
Patterns | Click Here |
Data Handling | Click Here |
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Sorry I have do prank ek baar aur sorry
Many answers are not correct.
For eg- Section A Q1) Factors of 525 are- 1, 3, 5, 7, 75, 105, 175. 525
Section C Q-3a) Find the L.C.M of following numbers –
a) 36,46,56,88
Ans: 127512