Is 2978 is a Composite number

 Is 2978 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 2978 is composite or not first we have to find its factors.

 

Factors of 2978:

  • If we have taken numbers from 1, 2, 3…for checking factors of 2978, we found that 2978 has factors 1, 2, 1489 and 2978. Hence, we must say that 2978 is a composite number.
  • Thus, 2978 is the composite number.
  • If we multiply 2978 by 1, 2, 3 then we get the multiples of 2978 which are 2978, 5956 and so on.

 

About the number 2978:

  • 2978 has more than two factors which are 1, 2, 1489 and 2978 and hence it is the composite number.
  • 2978 is the even composite number and it is not the perfect square also.
  • If we divide 2978 by, 1, 2, 1489 and 2978 then we get remainder as zero. Hence, 1, 2, 1489 and 2978 are the factors of 2978.

 

Note:

  • 2978 is not the perfect square.
  • Factors of 2978: 1, 2, 1489 and 2978
  • Prime factors of 2978: 2, 1489

 

Conclusion:

  • 2978 is the composite number which has factors, 1, 2, 1489 and 2978
  • And hence, 2978 is not the prime number.

 

Multiple Choice Questions:

 

1) 2978 is a

a) Prime number

b) Odd number

c) Composite number

d) Both a and c

Ans: c) composite number

 

2) The composite factors of a composite number 2978 are

a) 2978

b) 2, 1489

c) 2978

d) 1, 2, 1489 and 2978

Ans: c) 2978

 

3) 2978 is even composite number because

a) It has factors 1, 2, 1489 and 2978

b) It has only two factors

c) Divisible by 2

d) Both a and c

Ans: d) both a and c


Updated: January 8, 2022 — 2:50 pm

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