Is 1888 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 1888 is composite or not first we have to find its factors.
Contents
Factors of 1888:
- If we have taken numbers from 1, 2, 3…for checking factors of 1888, we found that 1888 has factors 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888. Hence, we must say that 1888 is a composite number.
- Thus, 1888 is the composite number.
- If we multiply 1888 by 1, 2, 3 then we get the multiples of 1888 which are 1888, 3776 and so on.
About the number 1888:
- 1888 has more than two factors which are 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888 and hence it is the composite number.
- 1888 is the even composite number and it is not the perfect square also.
- If we divide 1888 by, 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888 then we get remainder as zero. Hence, 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888 are the factors of 1888.
Note:
- 1888 is not the perfect square.
- Factors of 1888: 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888
- Prime factors of 1888: 2, 59
Conclusion:
- 1888 is the composite number which has factors 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888
- And hence, 1888 is not the prime number.
Multiple Choice Questions:
1) 1888 is a
a) Prime number
b) Odd number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The non-prime factors of a composite number 1888 are
a) 1888
b) 2, 59
c) 1, 4, 8, 16, 32, 118, 236, 472, 944 and 1888
d) 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888
Ans: c) 1, 4, 8, 16, 32, 118, 236, 472, 944 and 1888
3) 1888 is composite number because
a) It has factors 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: a) it has factors 1, 2, 4, 8, 16, 32, 59, 118, 236, 472, 944 and 1888