Q: What are the prime factors of the number 53,251,779?

 A: 3, 7, 7393

Why are those the prime factors of the number 53,251,779?

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 53,251,779

53,251,779
Factor Arrows
317,750,593
Factor Arrows
72,535,799
Factor Arrows
7362,257
Factor Arrows
751,751
Factor Arrows
77,393

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:

3, 7, 7393

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 7 x 7 x 7,393 = 53,251,779

This can also be written as 31 x 74 x 7,3931 = 53,251,779

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


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