Prime factorization of 40

Here you will see step by step solution of prime factorization of 40, how to find factors of 40, you will see all factors of 40, how many factors of 40 has? Factors of 40 are 1, 2, 4, 5, 8, 10, 20, 40, we can see that 40 has 8 factor and sum of all factors is 90.

  • All Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
  • Prime Factors of 40: 2 × 2 × 2 × 5
  • Prime Factorization of 40: 23 × 51
  • Sum of Factors of 40: 90
  • Is 40 prime number: No

How to find factors of 40 by Division Method?

To find the factors of 40 by division method, we need the find the all numbers between 1 to 40, which divide 40 with 0 remainder, then the number is factor of 40.

Pair factors of 40

  • 40/1 = 40 [ 1 × 40 (1, 40) 1 and 40 is pair factor of 40]
  • 40/2 = 20 [ 2 × 20 (2, 20) 2 and 20 is pair factor of 40]
  • 40/4 = 10 [ 4 × 10 (4, 10) 4 and 10 is pair factor of 40]
  • 40/5 = 8 [ 5 × 8 (5, 8) 5 and 8 is pair factor of 40]
  • 40/8 = 5 [ 8 × 5 (8, 5) 8 and 5 is pair factor of 40]
  • 40/10 = 4 [ 10 × 4 (10, 4) 10 and 4 is pair factor of 40]
  • 40/20 = 2 [ 20 × 2 (20, 2) 20 and 2 is pair factor of 40]
  • 40/40 = 1 [ 40 × 1 (40, 1) 40 and 1 is pair factor of 40]

As we checked numbers between 1 to 40 that are not leaving any remainder, hence we can say factors of 40 is 1, 2, 4, 5, 8, 10, 20, 40.

Also note that, in exponential form prime factorization of 40 is written as 23 × 51 and it is a composite number.

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We hope you understand that how to find factors of 40. Let's check some other examples of factors.

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