Q: What are the prime factors of the number 55,394,024?

 A: 2, 7, 17, 31, 1877

Why are those the prime factors of the number 55,394,024?

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 55,394,024

55,394,024
Factor Arrows
227,697,012
Factor Arrows
213,848,506
Factor Arrows
26,924,253
Factor Arrows
7989,179
Factor Arrows
1758,187
Factor Arrows
311,877

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, 7, 17, 31, 1877

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 17 x 31 x 1,877 = 55,394,024

This can also be written as 23 x 71 x 171 x 311 x 1,8771 = 55,394,024

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


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