Q: What are the prime factors of the number 22,306,896?

 A: 2, 3, 97, 1597

Why are those the prime factors of the number 22,306,896?

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 22,306,896

22,306,896
Factor Arrows
211,153,448
Factor Arrows
25,576,724
Factor Arrows
22,788,362
Factor Arrows
21,394,181
Factor Arrows
3464,727
Factor Arrows
3154,909
Factor Arrows
971,597

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, 97, 1597

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 97 x 1,597 = 22,306,896

This can also be written as 24 x 32 x 971 x 1,5971 = 22,306,896

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


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