Q: What are the prime factors of the number 3,653,632?

 A: 2, 223

Why are those the prime factors of the number 3,653,632?

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 3,653,632

3,653,632
Factor Arrows
21,826,816
Factor Arrows
2913,408
Factor Arrows
2456,704
Factor Arrows
2228,352
Factor Arrows
2114,176
Factor Arrows
257,088
Factor Arrows
228,544
Factor Arrows
214,272
Factor Arrows
27,136
Factor Arrows
23,568
Factor Arrows
21,784
Factor Arrows
2892
Factor Arrows
2446
Factor Arrows
2223

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, 223

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 2 x 2 x 2 x 2 x 223 = 3,653,632

This can also be written as 214 x 2231 = 3,653,632

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


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