Q: What are the prime factors of the number 53,879,643?

 A: 3, 31, 113, 1709

Why are those the prime factors of the number 53,879,643?

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 53,879,643

53,879,643
Factor Arrows
317,959,881
Factor Arrows
35,986,627
Factor Arrows
31193,117
Factor Arrows
1131,709

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, 31, 113, 1709

We can check our work by multiplying all of the prime factors together: 3 x 3 x 31 x 113 x 1,709 = 53,879,643

This can also be written as 32 x 311 x 1131 x 1,7091 = 53,879,643

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


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