Is 1865 a Composite number

 Is 1865 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 1865 is composite or not first we have to find its factors.

 

Factors of 1865:

  • If we have taken numbers from 1, 2, 3…for checking factors of 1865, we found that 1865 has factors 1, 5, 373 and 1865. Hence, we must say that 1865 is a composite number.
  • Thus, 1865 is the composite number.
  • If we multiply 1865 by 1, 2, 3 then we get the multiples of 1865 which are 1865, 3730 and so on.

 

 1865 is a Composite number or Prime number

About the number 1865:

  • 1865 has more than two factors which are 1, 5, 373 and 1865 and hence it is the composite number.
  • 1865 is the odd composite number and it is not the perfect square also.
  • If we divide 1865 by 1, 5, 373 and 1865 then we get remainder as zero. Hence, 1, 5, 373 and 1865 are the factors of 1865

 

Note:

  • 1865 is not the perfect square.
  • Factors of 1865: 1, 5, 373 and 1865
  • Prime factors of 1865: 5, 373

 

Conclusion:

  • 1865 is the composite number which has factors 1, 5, 373 and 1865.
  • And hence, 1865 is not the prime number.

 

Multiple Choice Questions:

 

1) 1865 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 1865 are

a) 1

b) 5, 373

c) 1 and 1865

d) 1, 5, 373 and 1865

Ans: b) 1 and 1865

 

3) 1865 is the odd composite number because

a) It has factors 1, 5, 373 and 1865

b) It has more than two factors

c) It is not divisible by 2

d) all

Ans: d) all

Updated: February 28, 2022 — 1:01 pm

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