Is 1544 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 1544 is composite or not first we have to find its factors.
Contents
Factors of 1544:
- If we have taken numbers from 1, 2, 3…for checking factors of 1544, we found that 1544 has factors 1, 2, 4, 8, 193, 386, 772 and 1544. Hence, we must say that 1544 is a composite number.
- Thus, 1544 is the composite number.
- If we multiply 1544 by 1, 2, 3 then we get the multiples of 1544 which are 1544, 3088 and so on.
About the number 1544:
- 1544 has more than two factors which are 1, 2, 4, 8, 193, 386, 772 and 1544 and hence it is the composite number.
- 1544 is the even composite number and it is not the perfect square also.
- If we divide 1544 by 1, 2, 4, 8, 193, 386, 772 and 1544 then we get remainder as zero. Hence, 1, 2, 4, 8, 193, 386, 772 and 1544 are the factors of 1544.
Note:
- 1544 is not the perfect square.
- Factors of 1544: 1, 2, 4, 8, 193, 386, 772 and 1544
- Prime factors of 1544: 2, 193
Conclusion:
- 1544 is the composite number which has factors 1, 2, 4, 8, 193, 386, 772 and 1544
- And hence, 1544 is not the prime number.
Multiple Choice Questions:
1) 1544 is a
a) Even number
b) Odd number
c) Composite number
d) Both a and c
Ans: d) both a and c
2) The prime factors of a composite number 1544 are
a) 1544
b) 2, 193
c) 1, 4, 8, 386, 772 and 1544
d) 1, 2, 4, 8, 193, 386, 772 and 1544
Ans: b) 2, 193
3) 1544 is even composite number because
a) It has factors1, 2, 4, 8, 193, 386, 772 and 1544
b) It has more than two factors
c) Divisible by 2
d) all
Ans: d) all