Is 2955 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 2955 is composite or not first we have to find its factors.
Contents
Factors of 2955:
- If we have taken numbers from 1, 2, 3…for checking factors of 2955, we found that 2955 has factors 1, 3, 5, 15, 197, 591, 985 and 2955. Hence, we must say that 2955 is a composite number.
- Thus, 2955 is the composite number.
- If we multiply 2955 by 1, 2, 3 then we get the multiples of 2955 which are 2955, 5910 and so on.
2955 is a Composite number or Prime number
About the number 2955:
- 2955 has more than two factors which are 1, 3, 5, 15, 197, 591, 985 and 2955 and hence it is the composite number.
- 2955 is the odd composite number and it is not the perfect square also.
- If we divide 2955 by 1, 3, 5, 15, 197, 591, 985 and 2955 then we get remainder as zero. Hence 1, 3, 5, 15, 197, 591, 985 and 2955 are the factors of 2955
Note:
- 2955 is not the perfect square.
- Factors of 2955: 1, 3, 5, 15, 197, 591, 985 and 2955
- Prime factors of 2955: 3, 5, 197
Conclusion:
- 2955 is the composite number which has factors 1, 3, 5, 15, 197, 591, 985 and 2955.
- And hence, 2955 is not the prime number.
Multiple Choice Questions:
1) 2955 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 2955 are
a) 1
b) 3, 5, 197
c) 1, 3, 5, 15, 197, 591, 985 and 2955
d) 1, 15, 591, 985 and 2955
Ans: d) 1, 15, 591, 985 and 2955
3) 2955 is the odd composite number because
a) It has factors 1, 3, 5, 15, 197, 591, 985 and 2955
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all