Is 2625 is a composite number or not ?
- As we already know that, the number having factors 1 and the number itself is the prime number.
- And numbers having more than these two factors are the composite numbers.
- To check whether the number 2625 is composite or not first we have to find its factors.
Contents
Factors of 2625:
- If we have taken numbers from 1, 2, 3…for checking factors of 2625, we found that 2625 has factors 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625. Hence, we must say that 2625 is a composite number.
- Thus, 2625 is the composite number.
- If we multiply 2625 by 1, 2, 3 then we get the multiples of 2625 which are 2625, 5250 and so on.
2625 is a Composite number or Prime number
About the number 2625:
- 2625 has more than two factors which are 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625 and hence it is the composite number.
- 2625 is the odd composite number and it is not the perfect square also.
- If we divide 2625 by 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625 then we get remainder as zero. Hence 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625 are the factors of 2625
Note:
- 2625 is not the perfect square.
- Factors of 2625: 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625
- Prime factors of 2625: 3, 5, 7
Conclusion:
- 2625 is the composite number which has factors 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625.
- And hence, 2625 is not the prime number.
Multiple Choice Questions:
1) 2625 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 2625 are
a) 1
b) 3, 5, 7
c) 1 and 2625
d) 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625
Ans: b) 3, 5, 7
3) 2625 is the composite number because
a) It has factors 1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875 and 2625
b) It has more than two factors
c) It is not divisible by 2
d) Both a and b
Ans: d) both a and b