Is 862 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 862 is composite or not first we have to find its factors.
Contents
Factors of 862:
- If we have taken numbers from 1, 2, 3…for checking factors of 862, we found that 862 has factors 1, 2, 431 and 862. Hence, we must say that 862 is a composite number.
- Thus, 862 is the composite umber.
- If we multiply 862 by 1, 2, 3 then we get the multiples of 862 which are 862, 1724 and so on.
About the number 862:
- 862 has more than two factors which are 1, 2, 431 and 862 and hence it is the composite number.
- 862 is the even composite number and it is not the perfect square also.
- If we divide 862 by 1, 2, 431 and 862 then we get remainder as zero. Hence, 1, 2, 431 and 862 are the factors of 862.
Note:
- 862 is not the perfect square.
- Factors of 862: 1, 2, 431 and 862
- Prime factors of 862: 2, 431
Conclusion:
- 862 is the composite number which has factors 1, 2, 431 and 862
- And hence, 862 is not the prime number.
Multiple Choice Questions:
1) 862 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 862 are
a) 1
b) 2, 431
c) 1 and 862
d) 1, 2, 431 and 862
Ans: b) 2, 431
3) 862 is the composite number because
a) It has factors 1, 2, 431 and 862
b) It has only prime factors
c) Divisible by 2
d) Both a and b
Ans: a) It has factors 1, 2, 431 and 862