Is 749 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 749 is composite or not first we have to find its factors.
Contents
Factors of 749:
- If we have taken numbers from 1, 2, 3…for checking factors of 749, we found that 749 has factors 1, 7, 107 and 749. Hence, we must say that 749 is a composite number.
- Thus, 749 is the composite number.
- If we multiply 749 by 1, 2, 3 then we get the multiples of 749 which are 749, 1498 and so on.
749 is a Composite number or Prime number
About the number 749:
- 749 has more than two factors which are 1, 7, 107 and 749 and hence it is the composite number.
- 749 is the odd composite number and it is not the perfect square also.
- If we divide 749 by 1, 7, 107 and 749 then we get remainder as zero. Hence, 1, 7, 107 and 749 are the factors of 749
Note:
- 749 is not the perfect square.
- Factors of 749: 1, 7, 107 and 749
- Prime factors of 749: 7, 107
Conclusion:
- 749 is the composite number which has factors 1, 7, 107 and 749.
- And hence, 749 is not the prime number.
Multiple Choice Questions:
1) 749 is a
a) odd number
b) Prime number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 749 are
a) 1
b) 7, 107
c) 1 and 749
d) 1, 7, 107 and 749
Ans: b) 7, 107
3) 749 is the odd composite number because
a) It has factors 1, 7, 107 and 749
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c