Is 1525 a Composite number

 Is 1525 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 1525 is composite or not first we have to find its factors.

 

Factors of 1525:

  • If we have taken numbers from 1, 2, 3…for checking factors of 1525, we found that 1525 has factors 1, 5, 25, 61, 305 and 1525. Hence, we must say that 1525 is a composite number.
  • Thus, 1525 is the composite number.
  • If we multiply 1525 by 1, 2, 3 then we get the multiples of 1525 which are 1525, 3050 and so on.

 

1525 is a Composite number or Prime number

About the number 1525:

  • 1525 has more than two factors which are 1, 5, 25, 61, 305 and 1525 and hence it is the composite number.
  • 1525 is the odd composite number and it is not the perfect square also.
  • If we divide 1525 by 1, 5, 25, 61, 305 and 1525 then we get remainder as zero. Hence, 1, 5, 25, 61, 305 and 1525 are the factors of 1525

 

Note:

  • 1525 is not the perfect square.
  • Factors of 1525: 1, 5, 25, 61, 305 and 1525
  • Prime factors of 1525: 5, 61

 

Conclusion:

  • 1525 is the composite number which has factors 1, 5, 25, 61, 305 and 1525.
  • And hence, 1525 is not the prime number.

 

Multiple Choice Questions:

 

1) 1525 is a

a) Even number

b) Prime number

c) Composite number

d) Both a and c

Ans: c) composite number

 

2) The non-prime factors of a composite number 1525 are

a) 1

b) 5, 61

c) 1, 25, 305 and 1525

d) 1, 5, 25, 61, 305 and 1525

Ans: b) 1, 25, 305 and 1525

 

3) 1525 is the odd composite number because

a) It has factors 1, 5, 25, 61, 305 and 1525

b) It has more than two factors

c) It is not divisible by 2

d) all

Ans: d) all

Updated: February 24, 2022 — 4:44 pm

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