Q: What are the prime factors of the number 157,114,584?

 A: 2, 3, 11, 198377

Why are those the prime factors of the number 157,114,584?

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 157,114,584

157,114,584
Factor Arrows
278,557,292
Factor Arrows
239,278,646
Factor Arrows
219,639,323
Factor Arrows
36,546,441
Factor Arrows
32,182,147
Factor Arrows
11198,377

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, 11, 198377

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 198,377 = 157,114,584

This can also be written as 23 x 32 x 111 x 198,3771 = 157,114,584

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


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