Q: What are the prime factors of the number 56,778,174?

 A: 2, 3, 31, 97, 1049

Why are those the prime factors of the number 56,778,174?

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 56,778,174

56,778,174
Factor Arrows
228,389,087
Factor Arrows
39,463,029
Factor Arrows
33,154,343
Factor Arrows
31101,753
Factor Arrows
971,049

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, 31, 97, 1049

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 31 x 97 x 1,049 = 56,778,174

This can also be written as 21 x 32 x 311 x 971 x 1,0491 = 56,778,174

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


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