Q: What are the prime factors of the number 57,545,754?

 A: 2, 3, 7, 73, 137

Why are those the prime factors of the number 57,545,754?

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 57,545,754

57,545,754
Factor Arrows
228,772,877
Factor Arrows
39,590,959
Factor Arrows
71,370,137
Factor Arrows
7318,769
Factor Arrows
137137

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, 73, 137

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 73 x 137 x 137 = 57,545,754

This can also be written as 21 x 31 x 71 x 731 x 1372 = 57,545,754

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


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