Q: What are the prime factors of the number 163,456,374?

 A: 2, 3, 601, 45329

Why are those the prime factors of the number 163,456,374?

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 163,456,374

163,456,374
Factor Arrows
281,728,187
Factor Arrows
327,242,729
Factor Arrows
60145,329

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, 601, 45329

We can check our work by multiplying all of the prime factors together: 2 x 3 x 601 x 45,329 = 163,456,374

This can also be written as 21 x 31 x 6011 x 45,3291 = 163,456,374

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


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