Is 3913 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 3913 is composite or not first we have to find its factors.
Contents
Factors of 3913:
- If we have taken numbers from 1, 2, 3…for checking factors of 3913, we found that 3913 has factors 1, 7, 13, 43, 91, 301, 559 and 3913. Hence, we must say that 3913 is a composite number.
- Thus, 3913 is the composite number.
- If we multiply 3913 by 1, 2, 3 then we get the multiples of 3913 which are 3913, 7826 and so on.
3913 is a Composite number or Prime number
About the number 3913:
- 3913 has more than two factors which are 1, 7, 13, 43, 91, 301, 559 and 3913 and hence it is the composite number.
- 3913 is the odd composite number and it is not the perfect square also.
- If we divide 3913 by 1, 7, 13, 43, 91, 301, 559 and 3913 then we get remainder as zero. Hence 1, 7, 13, 43, 91, 301, 559 and 3913 are the factors of 3913
Note:
- 3913 is not the perfect square.
- Factors of 3913:1, 7, 13, 43, 91, 301, 559 and 3913
- Prime factors of 3913: 7, 13, 43
Conclusion:
- 3913 is the composite number which has factors 1, 7, 13, 43, 91, 301, 559 and 3913.
- And hence, 3913 is not the prime number.
Multiple Choice Questions:
1) 3913 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 3913 are
a) 1
b) 7, 13, 43
c) 1, 7, 13, 43, 91, 301, 559 and 3913
d) 1, 91, 301, 559 and 3913
Ans: d) 1, 91, 301, 559 and 3913
3) 3913 is the odd composite number because
a) It has factors 1, 7, 13, 43, 91, 301, 559 and 3913
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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