Q: What are the prime factors of the number 11,653,888?

 A: 2, 45523

Why are those the prime factors of the number 11,653,888?

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 11,653,888

11,653,888
Factor Arrows
25,826,944
Factor Arrows
22,913,472
Factor Arrows
21,456,736
Factor Arrows
2728,368
Factor Arrows
2364,184
Factor Arrows
2182,092
Factor Arrows
291,046
Factor Arrows
245,523

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, 45523

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 45,523 = 11,653,888

This can also be written as 28 x 45,5231 = 11,653,888

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


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