Is 626 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 626 is composite or not first we have to find its factors.
Contents
Factors of 626:
- If we have taken numbers from 1, 2, 3…for checking factors of 626, we found that 626 has factors 1, 2, 313 and 626. Hence, we must say that 626 is a composite number.
- Thus, 626 is the composite umber.
- If we multiply 626 by 1, 2, 3 then we get the multiples of 626 which are 626, 1252 and so on.
About the number 626:
- 626 has more than two factors which are 1, 2, 313 and 626 and hence it is the composite number.
- 626 is the even composite number and it is not the perfect square also.
- If we divide 626 by 1, 2, 313 and 626 then we get remainder as zero. Hence, 1, 2, 313 and 626 are the factors of 626.
Note:
- 626 is not the perfect square.
- Factors of 626: 1, 2, 313 and 626
- Prime factors of 626: 2, 313
Conclusion:
- 626 is the composite number which has factors 1, 2, 313 and 626
- And hence, 626 is not the prime number.
Multiple Choice Questions:
1) 626 is a
a) Prime number
b) odd number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The non-prime factors of a composite number 626 are
a) 1
b) 2, 313
c) 1 and 626
d) 1, 2, 313 and 626
Ans: c) 1 and 626
3) 626 is the composite number because
a) It has two factors
b) More than two factors
c) Divisible by 2
d) Both b and c
Ans: b) more than two factors