Q: What are the prime factors of the number 27,722,176?

 A: 2, 23, 37, 509

Why are those the prime factors of the number 27,722,176?

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 27,722,176

27,722,176
Factor Arrows
213,861,088
Factor Arrows
26,930,544
Factor Arrows
23,465,272
Factor Arrows
21,732,636
Factor Arrows
2866,318
Factor Arrows
2433,159
Factor Arrows
2318,833
Factor Arrows
37509

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, 37, 509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 23 x 37 x 509 = 27,722,176

This can also be written as 26 x 231 x 371 x 5091 = 27,722,176

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


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