Is 1541 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 1541 is composite or not first we have to find its factors.
Contents
Factors of 1541:
- If we have taken numbers from 1, 2, 3…for checking factors of 1541, we found that 1541 has factors 1, 23, 67 and 1541. Hence, we must say that 1541 is a composite number.
- Thus, 1541 is the composite number.
- If we multiply 1541 by 1, 2, 3 then we get the multiples of 1541 which are 1541, 3082 and so on.
1541 is a Composite number or Prime number
About the number 1541:
- 1541 has more than two factors which are 1, 23, 67 and 1541 and hence it is the composite number.
- 1541 is the odd composite number and it is not the perfect square also.
- If we divide 1541 by 1, 23, 67 and 1541 then we get remainder as zero. Hence, 1, 23, 67 and 1541 are the factors of 1541
Note:
- 1541 is not the perfect square.
- Factors of 1541: 1, 23, 67 and 1541
- Prime factors of 1541: 23, 67
Conclusion:
- 1541 is the composite number which has factors 1, 23, 67 and 1541.
- And hence, 1541 is not the prime number.
Multiple Choice Questions:
1) 1541 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 1541 are
a) 1
b) 23, 67
c) 1 and 1541
d) 1, 23, 67 and 1541
Ans: b) 1 and 1541
3) 1541 is the odd composite number because
a) It has factors 1, 23, 67 and 1541
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all