Is 1219 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 1219 is composite or not first we have to find its factors.
Contents
Factors of 1219:
- If we have taken numbers from 1, 2, 3…for checking factors of 1219, we found that 1219 has factors 1, 23, 53 and 1219. Hence, we must say that 1219 is a composite number.
- Thus, 1219 is the composite number.
- If we multiply 1219 by 1, 2, 3 then we get the multiples of 1219 which are 1219, 2438 and so on.
1219 is a Composite number or Prime number
About the number 1219:
- 1219 has more than two factors which are 1, 23, 53 and 1219 and hence it is the composite number.
- 1219 is the odd composite number and it is not the perfect square also.
- If we divide 1219 by 1, 23, 53 and 1219 then we get remainder as zero. Hence, 1, 23, 53 and 1219 are the factors of 1219
Note:
- 1219 is not the perfect square.
- Factors of 1219: 1, 23, 53 and 1219
- Prime factors of 1219: 23, 53
Conclusion:
- 1219 is the composite number which has factors 1, 23, 53 and 1219.
- And hence, 1219 is not the prime number.
Multiple Choice Questions:
1) 1219 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 1219 are
a) 1
b) 23, 53
c) 1 and 1219
d) 1, 23, 53 and 1219
Ans: b) 1 and 1219
3) 1219 is the odd composite number because
a) It has factors 1, 23, 53 and 1219
b) It has more than two factors
c) It is not divisible by 2
d) all
Ans: d) all