Is 4245 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 4245 is composite or not first we have to find its factors.
Contents
Factors of 4245:
- If we have taken numbers from 1, 2, 3…for checking factors of 4245, we found that 4245 has factors 1, 3, 5, 15, 283, 849, 1415 and 4245. Hence, we must say that 4245 is a composite number.
- Thus, 4245 is the composite number.
- If we multiply 4245 by 1, 2, 3 then we get the multiples of 4245 which are 4245, 8490 and so on.
4245 is a Composite number or Prime number
About the number 4245:
- 4245 has more than two factors which are 1, 3, 5, 15, 283, 849, 1415 and 4245 and hence it is the composite number.
- 4245 is the odd composite number and it is not the perfect square also.
- If we divide 4245 by 1, 3, 5, 15, 283, 849, 1415 and 4245 then we get remainder as zero. Hence 1, 3, 5, 15, 283, 849, 1415 and 4245 are the factors of 4245
Note:
- 4245 is not the perfect square.
- Factors of 4245:1, 3, 5, 15, 283, 849, 1415 and 4245
- Prime factors of 4245: 3, 5, 283
Conclusion:
- 4245 is the composite number which has factors 1, 3, 5, 15, 283, 849, 1415 and 4245.
- And hence, 4245 is not the prime number.
Multiple Choice Questions:
1) 4245 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 4245 are
a) 1
b) 3, 5, 283
c) 1, 3, 5, 15, 283, 849, 1415 and 4245
d) 1, 15, 849, 1415 and 4245
Ans: d) 1, 15, 849, 1415 and 4245
3) 4245 is the odd composite number because
a) It has factors 1, 3, 5, 15, 283, 849, 1415 and 4245
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all
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