Is 3195 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 3195 is composite or not first we have to find its factors.
Contents
Factors of 3195:
- If we have taken numbers from 1, 2, 3…for checking factors of 3195, we found that 3195 has factors 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195. Hence, we must say that 3195 is a composite number.
- Thus, 3195 is the composite number.
- If we multiply 3195 by 1, 2, 3 then we get the multiples of 3195 which are 3195, 6390 and so on.
3195 is a Composite number or Prime number
About the number 3195:
- 3195 has more than two factors which are 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195 and hence it is the composite number.
- 3195 is the odd composite number and it is not the perfect square also.
- If we divide 3195 by 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195 then we get remainder as zero. Hence 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195 are the factors of 3195
Note:
- 3195 is not the perfect square.
- Factors of 3195: 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195
- Prime factors of 3195: 3, 5, 71
Conclusion:
- 3195 is the composite number which has factors 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195.
- And hence, 3195 is not the prime number.
Multiple Choice Questions:
1) 3195 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 3195 are
a) 1
b) 3, 5, 71
c) 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195
d) 1, 9, 15, 45, 213, 355, 639, 1065 and 3195
Ans: d) 1, 9, 15, 45, 213, 355, 639, 1065 and 3195
3) 3195 is the odd composite number because
a) It has factors 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065 and 3195
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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