Q: What are the prime factors of the number 55,295,970?

 A: 2, 3, 5, 47, 39217

Why are those the prime factors of the number 55,295,970?

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 55,295,970

55,295,970
Factor Arrows
227,647,985
Factor Arrows
39,215,995
Factor Arrows
51,843,199
Factor Arrows
4739,217

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, 5, 47, 39217

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 47 x 39,217 = 55,295,970

This can also be written as 21 x 31 x 51 x 471 x 39,2171 = 55,295,970

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


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