Q: What are the prime factors of the number 69,311,430?

 A: 2, 3, 5, 19, 59, 229

Why are those the prime factors of the number 69,311,430?

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 69,311,430

69,311,430
Factor Arrows
234,655,715
Factor Arrows
311,551,905
Factor Arrows
33,850,635
Factor Arrows
31,283,545
Factor Arrows
5256,709
Factor Arrows
1913,511
Factor Arrows
59229

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, 19, 59, 229

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 19 x 59 x 229 = 69,311,430

This can also be written as 21 x 33 x 51 x 191 x 591 x 2291 = 69,311,430

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


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