Q: What are the prime factors of the number 163,275,423?

 A: 3, 29, 541, 3469

Why are those the prime factors of the number 163,275,423?

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 163,275,423

163,275,423
Factor Arrows
354,425,141
Factor Arrows
291,876,729
Factor Arrows
5413,469

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:

3, 29, 541, 3469

We can check our work by multiplying all of the prime factors together: 3 x 29 x 541 x 3,469 = 163,275,423

This can also be written as 31 x 291 x 5411 x 3,4691 = 163,275,423

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


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