Is 4378 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 4378 is composite or not first we have to find its factors.
Contents
Factors of 4378:
- If we have taken numbers from 1, 2, 3…for checking factors of 4378 we found that 4378 has factors 1, 2, 11, 22, 199, 398, 2189 and 4378. Hence, we must say that 4378 is a composite number.
- Thus, 4378 is the composite number.
- If we multiply 4378 by 1, 2, 3 then we get the multiples of 4378 which are 4378, 8756 and so on.
About the number 4378:
- 4378 has more than two factors which are 1, 2, 11, 22, 199, 398, 2189 and 4378 and hence it is the composite number.
- 4378 is the even composite number and it is not the perfect square also.
- If we divide 4378 by, 1, 2, 11, 22, 199, 398, 2189 and 4378 then we get remainder as zero. Hence, 1, 2, 11, 22, 199, 398, 2189 and 4378 are the factors of 4378.
Note:
- 4378 is not the perfect square.
- Factors of 4378: 1, 2, 11, 22, 199, 398, 2189 and 4378
- Prime factors of 4378: 2, 11, 199
Conclusion:
- 4378 is the composite number which has factors, 1, 2, 11, 22, 199, 398, 2189 and 4378
- And hence, 4378 is not the prime number.
Multiple Choice Questions:
1) 4378 is a
a) Prime number
b) Even number
c) Composite number
d) Both b and c
Ans: d) both b and c
2) The composite factors of a composite number 4378 are
a) 4378
b) 2, 11, 199
c) 22, 398, 2189 and 4378
d) 1, 2, 11, 22, 199, 398, 2189 and 4378
Ans: c) 22, 398, 2189 and 4378
3) 4378 is composite number because
a) It has factors 1, 2, 11, 22, 199, 398, 2189 and 4378
b) It has more than two factors
c) Divisible by 2
d) Both a and b
Ans: d) both a and b