Q: What are the prime factors of the number 22,363,136?

 A: 2, 21839

Why are those the prime factors of the number 22,363,136?

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 22,363,136

22,363,136
Factor Arrows
211,181,568
Factor Arrows
25,590,784
Factor Arrows
22,795,392
Factor Arrows
21,397,696
Factor Arrows
2698,848
Factor Arrows
2349,424
Factor Arrows
2174,712
Factor Arrows
287,356
Factor Arrows
243,678
Factor Arrows
221,839

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, 21839

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 2 x 2 x 2 x 2 x 21,839 = 22,363,136

This can also be written as 210 x 21,8391 = 22,363,136

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


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