Q: What are the prime factors of the number 22,727,488?

 A: 2, 7, 97, 523

Why are those the prime factors of the number 22,727,488?

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 22,727,488

22,727,488
Factor Arrows
211,363,744
Factor Arrows
25,681,872
Factor Arrows
22,840,936
Factor Arrows
21,420,468
Factor Arrows
2710,234
Factor Arrows
2355,117
Factor Arrows
750,731
Factor Arrows
97523

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, 7, 97, 523

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 7 x 97 x 523 = 22,727,488

This can also be written as 26 x 71 x 971 x 5231 = 22,727,488

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


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