Is 946 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 946 is composite or not first we have to find its factors.
Contents
Factors of 946:
- If we have taken numbers from 1, 2, 3…for checking factors of 946, we found that 946 has factors 1, 2, 11, 22, 43, 86, 473 and 946. Hence, we must say that 946 is a composite number.
- Thus, 946 is the composite umber.
- If we multiply 946 by 1, 2, 3 then we get the multiples of 946 which are 946, 1892 and so on.
About the number 946:
- 946 has more than two factors which are 1, 2, 11, 22, 43, 86, 473 and 946 and hence it is the composite number.
- 946 is the even composite number and it is not the perfect square also.
- If we divide 946 by 1, 2, 11, 22, 43, 86, 473 and 946 then we get remainder as zero. Hence, 1, 2, 11, 22, 43, 86, 473 and 946 are the factors of 946.
Note:
- 946 is not the perfect square.
- Factors of 946: 1, 2, 11, 22, 43, 86, 473 and 946
- Prime factors of 946: 2, 11, 43
Conclusion:
- 946 is the composite number which has factors 1, 2, 11, 22, 43, 86, 473 and 946
- And hence, 946 is not the prime number.
Multiple Choice Questions:
1) 946 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The non-prime factors of a composite number 946 are
a) 1
b) 2, 11, 43
c) 1, 22, 86, 473 and 946
d) 1, 2, 11, 22, 43, 86, 473 and 946
Ans: c) 1, 22, 86, 473 and 946
3) 946 is even the composite number because
a) It has factors 1, 2, 11, 22, 43, 86, 473 and 946
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all