Q: What are the prime factors of the number 163,501,604?

 A: 2, 7, 41, 73, 1951

Why are those the prime factors of the number 163,501,604?

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 163,501,604

163,501,604
Factor Arrows
281,750,802
Factor Arrows
240,875,401
Factor Arrows
75,839,343
Factor Arrows
41142,423
Factor Arrows
731,951

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, 41, 73, 1951

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 41 x 73 x 1,951 = 163,501,604

This can also be written as 22 x 71 x 411 x 731 x 1,9511 = 163,501,604

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


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