Is 1859 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 1859 is composite or not first we have to find its factors.
Contents
Factors of 1859:
- If we have taken numbers from 1, 2, 3…for checking factors of 1859, we found that 1859 has factors 1, 11, 13, 143, 169 and 1859. Hence, we must say that 1859 is a composite number.
- Thus, 1859 is the composite number.
- If we multiply 1859 by 1, 2, 3 then we get the multiples of 1859 which are 1859, 3718 and so on.
1859 is a Composite number or Prime number
About the number 1859:
- 1859 has more than two factors which are 1, 11, 13, 143, 169 and 1859 and hence it is the composite number.
- 1859 is the odd composite number and it is not the perfect square also.
- If we divide 1859 by 1, 11, 13, 143, 169 and 1859 then we get remainder as zero. Hence, 1, 11, 13, 143, 169 and 1859 are the factors of 1859
Note:
- 1859 is not the perfect square.
- Factors of 1859: 1, 11, 13, 143, 169 and 1859
- Prime factors of 1859: 11, 13
Conclusion:
- 1859 is the composite number which has factors 1, 11, 13, 143, 169 and 1859.
- And hence, 1859 is not the prime number.
Multiple Choice Questions:
1) 1859 is a
a) Even number
b) Prime number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1859 are
a) 1
b) 11, 13
c) 1, 143, 169 and 1859
d) 1, 11, 13, 143, 169 and 1859
Ans: b) 1, 143, 169 and 1859
3) 1859 is the odd composite number because
a) It has factors 1, 11, 13, 143, 169 and 1859
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all