Is 273 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 273 is composite or not first we have to find its factors.
Contents
Factors of 273:
- If we have taken numbers from 1, 2, 3…for checking factors of 273, we found that 273 has factors 1, 3, 7, 13, 21, 39, 91 and 273. Hence, we must say that 273 is a composite number.
- Thus, 273 is the composite number.
- If we multiply 273 by 1, 2, 3 then we get the multiples of 273 which are 273, 546, and so on.
273 is a Composite number or Prime number
About the number 273:
- 273 has more than two factors which are 1, 3, 7, 13, 21, 39, 91 and 273 and hence it is the composite number.
- 273 is the odd composite number and it is not the perfect square also.
- If we divide 273 by 1, 3, 7, 13, 21, 39, 91 and 273 then we get remainder as zero. Hence, 1, 3, 7, 13, 21, 39, 91 and 273 are the factors of 273.
Note:
- 273 is not the perfect square.
- Factors of 273: 1, 3, 7, 13, 21, 39, 91 and 273
- Prime factors of 273: 3, 7, 13
Conclusion:
- 273 is the composite number which has factors 1, 3, 7, 13, 21, 39, 91 and 273.
- And hence, 273 is not the prime number.
Multiple Choice Questions:
1) 273 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 273 are
a) 1
b) 3, 7, 13
c) 1, 21, 39, 91 and 273
d) 1, 3, 7, 13, 21, 39, 91 and 273
Ans: b) 3, 7, 13
3) 273 is the odd composite number because
a) It has factors 1, 3, 7, 13, 21, 39, 91 and 273
b) It is divisible by 2
c) It is not divisible by 2
d) Both a and c
Ans: d) both a and c