Is 1377 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 1377 is composite or not first we have to find its factors.
Contents
Factors of 1377:
- If we have taken numbers from 1, 2, 3…for checking factors of 1377, we found that 1377 has factors 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377. Hence, we must say that 1377 is a composite number.
- Thus, 1377 is the composite number.
- If we multiply 1377 by 1, 2, 3 then we get the multiples of 1377 which are 1377, 2754 and so on.
1377 is a Composite number or Prime number
About the number 1377:
- 1377 has more than two factors which are 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377 and hence it is the composite number.
- 1377 is the odd composite number and it is not the perfect square also.
- If we divide 1377 by 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377 then we get remainder as zero. Hence, 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377 are the factors of 1377
Note:
- 1377 is not the perfect square.
- Factors of 1377: 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377
- Prime factors of 1377: 3, 17
Conclusion:
- 1377 is the composite number which has factors 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377.
- And hence, 1377 is not the prime number.
Multiple Choice Questions:
1) 1377 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 1377 are
a) 1
b) 3, 17
c) 1, 9, 27, 51, 81, 153, 459 and 1377
d) 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377
Ans: b) 1, 9, 27, 51, 81, 153, 459 and 1377
3) 1377 is the odd composite number because
a) It has factors 1, 3, 9, 17, 27, 51, 81, 153, 459 and 1377
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all