Is 4970 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 4970 is composite or not first we have to find its factors.
Contents
Factors of 4970:
- If we have taken numbers from 1, 2, 3…for checking factors of 4970 we found that 4970 has factors 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970. Hence, we must say that 4970 is a composite number.
- Thus, 4970 is the composite number.
- If we multiply 4970 by 1, 2, 3 then we get the multiples of 4970 which are 4970, 9940 and so on.
About the number 4970:
- 4970 has more than two factors which are 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970 and hence it is the composite number.
- 4970 is the even composite number and it is not the perfect square also.
- If we divide 4970 by, 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970 then we get remainder as zero. Hence, 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970 are the factors of 4970.
Note:
- 4970 is not the perfect square.
- Factors of 4970: 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970
- Prime factors of 4970: 2, 5, 7, 71
Conclusion:
- 4970 is the composite number which has factors, 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970
- And hence, 4970 is not the prime number.
Multiple Choice Questions:
1) 4970 is a
a) Prime number
b) even number
c) even Composite number
d) Both a and c
Ans: c) even composite number
2) The prime factors of a composite number 4970 are
a) 4970
b) 2, 5, 7, 71
c) 10, 14, 35, 70, 142, 355, 497, 710, 994, 2485 and 4970
d) 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970
Ans: b) 2, 5, 7, 71
3) 4970 is even composite number because
a) It has factors 1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485 and 4970
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all