Q: What are the prime factors of the number 158,636,608?

 A: 2, 13, 190669

Why are those the prime factors of the number 158,636,608?

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 158,636,608

158,636,608
Factor Arrows
279,318,304
Factor Arrows
239,659,152
Factor Arrows
219,829,576
Factor Arrows
29,914,788
Factor Arrows
24,957,394
Factor Arrows
22,478,697
Factor Arrows
13190,669

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, 13, 190669

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 13 x 190,669 = 158,636,608

This can also be written as 26 x 131 x 190,6691 = 158,636,608

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


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