Is 2869 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 2869 is composite or not first we have to find its factors.
Contents
Factors of 2869:
- If we have taken numbers from 1, 2, 3…for checking factors of 2869, we found that 2869 has factors 1, 19, 151 and 2869. Hence, we must say that 2869 is a composite number.
- Thus, 2869 is the composite number.
- If we multiply 2869 by 1, 2, 3 then we get the multiples of 2869 which are 2869, 5738 and so on.
2869 is a Composite number or Prime number
About the number 2869:
- 2869 has more than two factors which are 1, 19, 151 and 2869 and hence it is the composite number.
- 2869 is the odd composite number and it is not the perfect square also.
- If we divide 2869 by 1, 19, 151 and 2869 then we get remainder as zero. Hence 1, 19, 151 and 2869 are the factors of 2869
Note:
- 2869 is not the perfect square.
- Factors of 2869: 1, 19, 151 and 2869
- Prime factors of 2869: 19, 151
Conclusion:
- 2869 is the composite number which has factors 1, 19, 151 and 2869.
- And hence, 2869 is not the prime number.
Multiple Choice Questions:
1) 2869 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 2869 are
a) 1
b) 19, 151
c) 1, 19, 151 and 2869
d) 1 and 2869
Ans: d) 1 and 2869
3) 2869 is the odd composite number because
a) It has factors 1, 19, 151 and 2869
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all