Q: What are the prime factors of the number 40,583,248?

 A: 2, 79, 97, 331

Why are those the prime factors of the number 40,583,248?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 40,583,248

40,583,248
Factor Arrows
220,291,624
Factor Arrows
210,145,812
Factor Arrows
25,072,906
Factor Arrows
22,536,453
Factor Arrows
7932,107
Factor Arrows
97331

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 79, 97, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 79 x 97 x 331 = 40,583,248

This can also be written as 24 x 791 x 971 x 3311 = 40,583,248

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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