Is 874 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 874 is composite or not first we have to find its factors.
Contents
Factors of 874:
- If we have taken numbers from 1, 2, 3…for checking factors of 874, we found that 874 has factors 1, 2, 19, 23, 38, 46, 437 and 874. Hence, we must say that 874 is a composite number.
- Thus, 874 is the composite umber.
- If we multiply 874 by 1, 2, 3 then we get the multiples of 874 which are 874, 1748 and so on.
About the number 874:
- 874 has more than two factors which are 1, 2, 19, 23, 38, 46, 437 and 874 and hence it is the composite number.
- 874 is the even composite number and it is not the perfect square also.
- If we divide 874 by 1, 2, 19, 23, 38, 46, 437 and 874 then we get remainder as zero. Hence, 1, 2, 19, 23, 38, 46, 437 and 874 are the factors of 874.
Note:
- 874 is not the perfect square.
- Factors of 874: 1, 2, 19, 23, 38, 46, 437 and 874
- Prime factors of 874: 2, 19, 23
Conclusion:
- 874 is the composite number which has factors 1, 2, 19, 23, 38, 46, 437 and 874
- And hence, 874 is not the prime number.
Multiple Choice Questions:
1) 874 is a
a) Odd number
b) Prime number
c) Composite number
d) Both b and c
Ans: c) composite number
2) The prime factors of a composite number 874 are
a) 1
b) 2, 19, 23
c) 1, 38, 46, 437 and 874
d) 1, 2, 19, 23, 38, 46, 437 and 874
Ans: b) 2, 19, 23
3) 874 is the composite number because
a) It has factors 1, 2, 19, 23, 38, 46, 437 and 874
b) It has only prime factors
c) Divisible by 2
d) Both a and b
Ans: a) It has factors 1, 2, 19, 23, 38, 46, 437 and 874