Is 3786 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 3786 is composite or not first we have to find its factors.
Factors of 3786:
- If we have taken numbers from 1, 2, 3…for checking factors of 3786, we found that 3786 has factors 1, 2, 3, 6, 631, 1262, 1893 and 3786. Hence, we must say that 3786 is a composite number.
- Thus, 3786 is the composite number.
- If we multiply 3786 by 1, 2, 3 then we get the multiples of 3786 which are 3786, 7572 and so on.
About the number 3786:
- 3786 has more than two factors which are 1, 2, 3, 6, 631, 1262, 1893 and 3786 and hence it is the composite number.
- 3786 is the even composite number and it is not the perfect square also.
- If we divide 3786 by, 1, 2, 3, 6, 631, 1262, 1893 and 3786 then we get remainder as zero. Hence, 1, 2, 3, 6, 631, 1262, 1893 and 3786 are the factors of 3786.
Note:
- 3786 is not the perfect square.
- Factors of 3786: 1, 2, 3, 6, 631, 1262, 1893 and 3786
- Prime factors of 3786: 2, 3, 631
Conclusion:
- 3786 is the composite number which has factors, 1, 2, 3, 6, 631, 1262, 1893 and 3786
- And hence, 3786 is not the prime number.
Multiple Choice Questions:
1) 3786 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 3786 are
a) 3786
b) 2, 3, 631
c) 6, 1262, 1893 and 3786
d) 1, 2, 3, 6, 631, 1262, 1893 and 3786
Ans: c) 6, 1262, 1893 and 3786
3) 3786 is composite number because
a) It has factors 1, 2, 3, 6, 631, 1262, 1893 and 3786
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b
