Is 2622 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 2622 is composite or not first we have to find its factors.
Contents
Factors of 2622:
- If we have taken numbers from 1, 2, 3…for checking factors of 2622, we found that 2622 has factors 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622. Hence, we must say that 2622 is a composite number.
- Thus, 2622 is the composite number.
- If we multiply 2622 by 1, 2, 3 then we get the multiples of 2622 which are 2622, 5244 and so on.
About the number 2622:
- 2622 has more than two factors which are 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622 and hence it is the composite number.
- 2622 is the even composite number and it is not the perfect square also.
- If we divide 2622 by, 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622 then we get remainder as zero. Hence, 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622 are the factors of 2622.
Note:
- 2622 is not the perfect square.
- Factors of 2622: 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622
- Prime factors of 2622: 2, 3, 19, 23
Conclusion:
- 2622 is the composite number which has factors, 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622
- And hence, 2622 is not the prime number.
Multiple Choice Questions:
1) 2622 is a
a) Prime number
b) Odd number
c) Composite number
d) Both a and c
Ans: c) composite number
2) The composite factors of a composite number 2622 are
a) 2622
b) 2, 3, 19, 23
c) 6, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622
d) 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622
Ans: c) 6, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622
3) 2622 is even composite number because
a) It has factors 1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311 and 2622
b) It has only two factors
c) Divisible by 2
d) Both a and c
Ans: d) both a and c