Q: What are the prime factors of the number 68,833,557?

 A: 3, 13, 131, 499

Why are those the prime factors of the number 68,833,557?

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 68,833,557

68,833,557
Factor Arrows
322,944,519
Factor Arrows
37,648,173
Factor Arrows
32,549,391
Factor Arrows
3849,797
Factor Arrows
1365,369
Factor Arrows
131499

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, 13, 131, 499

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 13 x 131 x 499 = 68,833,557

This can also be written as 34 x 131 x 1311 x 4991 = 68,833,557

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


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