Q: What are the prime factors of the number 53,856,896?

 A: 2, 420757

Why are those the prime factors of the number 53,856,896?

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 53,856,896

53,856,896
Factor Arrows
226,928,448
Factor Arrows
213,464,224
Factor Arrows
26,732,112
Factor Arrows
23,366,056
Factor Arrows
21,683,028
Factor Arrows
2841,514
Factor Arrows
2420,757

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, 420757

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 420,757 = 53,856,896

This can also be written as 27 x 420,7571 = 53,856,896

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


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