Q: What are the prime factors of the number 56,332,544?

 A: 2, 197, 1117

Why are those the prime factors of the number 56,332,544?

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 56,332,544

56,332,544
Factor Arrows
228,166,272
Factor Arrows
214,083,136
Factor Arrows
27,041,568
Factor Arrows
23,520,784
Factor Arrows
21,760,392
Factor Arrows
2880,196
Factor Arrows
2440,098
Factor Arrows
2220,049
Factor Arrows
1971,117

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, 197, 1117

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 197 x 1,117 = 56,332,544

This can also be written as 28 x 1971 x 1,1171 = 56,332,544

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


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