Is 3721 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 3721 is composite or not first we have to find its factors.
Contents
Factors of 3721:
- If we have taken numbers from 1, 2, 3…for checking factors of 3721, we found that 3721 has factors 1, 61 and 3721. Hence, we must say that 3721 is a composite number.
- Thus, 3721 is the composite number.
- If we multiply 3721 by 1, 2, 3 then we get the multiples of 3721 which are 3721, 7442 and so on.
3721 is a Composite number or Prime number
About the number 3721:
- 3721 has more than two factors which are 1, 61 and 3721 and hence it is the composite number.
- 3721 is the odd composite number and it is the perfect square also.
- If we divide 3721 by 1, 61 and 3721 then we get remainder as zero. Hence 1, 61 and 3721 are the factors of 3721
Note:
- 3721 is the perfect square.
- Factors of 3721:1, 61 and 3721
- Prime factors of 3721: 61
Conclusion:
- 3721 is the composite number which has factors 1,61 and 3721.
- And hence, 3721 is not the prime number.
Multiple Choice Questions:
1) 3721 is a
a) odd number
b) Prime number
c) even number
d) Both a and c
Ans: a) odd number
2) The non-prime factors of a composite number 3721 are
a) 1
b) 61
c) 1, 61 and 3721
d) 1 and 3721
Ans: d)1 and 3721
3) 3721 is the odd composite number because
a) It has factors 1, 61 and 3721
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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