Is 4155 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 4155 is composite or not first we have to find its factors.
Contents
Factors of 4155:
- If we have taken numbers from 1, 2, 3…for checking factors of 4155, we found that 4155 has factors 1, 3, 5, 15, 277, 831, 1385 and 4155. Hence, we must say that 4155 is a composite number.
- Thus, 4155 is the composite number.
- If we multiply 4155 by 1, 2, 3 then we get the multiples of 4155 which are 4155, 8310 and so on.
4155 is a Composite number or Prime number
About the number 4155:
- 4155 has more than two factors which are 1, 3, 5, 15, 277, 831, 1385 and 4155 and hence it is the composite number.
- 4155 is the odd composite number and it is not the perfect square also.
- If we divide 4155 by 1, 3, 5, 15, 277, 831, 1385 and 4155 then we get remainder as zero. Hence 1, 3, 5, 15, 277, 831, 1385 and 4155 are the factors of 4155
Note:
- 4155 is not the perfect square.
- Factors of 4155:1, 3, 5, 15, 277, 831, 1385 and 4155
- Prime factors of 4155: 3, 5, 277
Conclusion:
- 4155 is the composite number which has factors 1, 3, 5, 15, 277, 831, 1385 and 4155.
- And hence, 4155 is not the prime number.
Multiple Choice Questions:
1) 4155 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 4155 are
a) 1
b) 3, 5, 277
c) 1, 3, 5, 15, 277, 831, 1385 and 4155
d) 1, 15, 831, 1385 and 4155
Ans: d)1, 15, 831, 1385 and 4155
3) 4155 is the odd composite number because
a) It has factors 1, 3, 5, 15, 277, 831, 1385 and 4155
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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