Q: What are the prime factors of the number 55,252,210?

 A: 2, 5, 13, 17, 23, 1087

Why are those the prime factors of the number 55,252,210?

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 55,252,210

55,252,210
Factor Arrows
227,626,105
Factor Arrows
55,525,221
Factor Arrows
13425,017
Factor Arrows
1725,001
Factor Arrows
231,087

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, 5, 13, 17, 23, 1087

We can check our work by multiplying all of the prime factors together: 2 x 5 x 13 x 17 x 23 x 1,087 = 55,252,210

This can also be written as 21 x 51 x 131 x 171 x 231 x 1,0871 = 55,252,210

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


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