Q: What are the prime factors of the number 35,172,032?

 A: 2, 7, 78509

Why are those the prime factors of the number 35,172,032?

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 35,172,032

35,172,032
Factor Arrows
217,586,016
Factor Arrows
28,793,008
Factor Arrows
24,396,504
Factor Arrows
22,198,252
Factor Arrows
21,099,126
Factor Arrows
2549,563
Factor Arrows
778,509

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, 7, 78509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 7 x 78,509 = 35,172,032

This can also be written as 26 x 71 x 78,5091 = 35,172,032

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


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