Q: What are the prime factors of the number 58,439,940?

 A: 2, 3, 5, 13, 74923

Why are those the prime factors of the number 58,439,940?

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 58,439,940

58,439,940
Factor Arrows
229,219,970
Factor Arrows
214,609,985
Factor Arrows
34,869,995
Factor Arrows
5973,999
Factor Arrows
1374,923

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, 3, 5, 13, 74923

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 74,923 = 58,439,940

This can also be written as 22 x 31 x 51 x 131 x 74,9231 = 58,439,940

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


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