Q: What are the prime factors of the number 4,979,430?

 A: 2, 3, 5, 61, 907

Why are those the prime factors of the number 4,979,430?

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 4,979,430

4,979,430
Factor Arrows
22,489,715
Factor Arrows
3829,905
Factor Arrows
3276,635
Factor Arrows
555,327
Factor Arrows
61907

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, 61, 907

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 61 x 907 = 4,979,430

This can also be written as 21 x 32 x 51 x 611 x 9071 = 4,979,430

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


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