Q: What are the prime factors of the number 163,361,272?

 A: 2, 23, 229, 3877

Why are those the prime factors of the number 163,361,272?

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 163,361,272

163,361,272
Factor Arrows
281,680,636
Factor Arrows
240,840,318
Factor Arrows
220,420,159
Factor Arrows
23887,833
Factor Arrows
2293,877

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, 23, 229, 3877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 23 x 229 x 3,877 = 163,361,272

This can also be written as 23 x 231 x 2291 x 3,8771 = 163,361,272

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


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