Q: What are the prime factors of the number 35,942,832?

 A: 2, 3, 19, 29, 151

Why are those the prime factors of the number 35,942,832?

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 35,942,832

35,942,832
Factor Arrows
217,971,416
Factor Arrows
28,985,708
Factor Arrows
24,492,854
Factor Arrows
22,246,427
Factor Arrows
3748,809
Factor Arrows
3249,603
Factor Arrows
383,201
Factor Arrows
194,379
Factor Arrows
29151

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, 19, 29, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 19 x 29 x 151 = 35,942,832

This can also be written as 24 x 33 x 191 x 291 x 1511 = 35,942,832

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


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