Q: What are the prime factors of the number 253,056,622?

 A: 2, 7, 13, 1390421

Why are those the prime factors of the number 253,056,622?

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 253,056,622

253,056,622
Factor Arrows
2126,528,311
Factor Arrows
718,075,473
Factor Arrows
131,390,421

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, 13, 1390421

We can check our work by multiplying all of the prime factors together: 2 x 7 x 13 x 1,390,421 = 253,056,622

This can also be written as 21 x 71 x 131 x 1,390,4211 = 253,056,622

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


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