Q: What are the prime factors of the number 53,114,544?

 A: 2, 3, 7, 23, 29, 79

Why are those the prime factors of the number 53,114,544?

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 53,114,544

53,114,544
Factor Arrows
226,557,272
Factor Arrows
213,278,636
Factor Arrows
26,639,318
Factor Arrows
23,319,659
Factor Arrows
31,106,553
Factor Arrows
3368,851
Factor Arrows
752,693
Factor Arrows
232,291
Factor Arrows
2979

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, 3, 7, 23, 29, 79

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 23 x 29 x 79 = 53,114,544

This can also be written as 24 x 32 x 71 x 231 x 291 x 791 = 53,114,544

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


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