Q: What are the prime factors of the number 253,222,432?

 A: 2, 29, 353, 773

Why are those the prime factors of the number 253,222,432?

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 253,222,432

253,222,432
Factor Arrows
2126,611,216
Factor Arrows
263,305,608
Factor Arrows
231,652,804
Factor Arrows
215,826,402
Factor Arrows
27,913,201
Factor Arrows
29272,869
Factor Arrows
353773

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, 29, 353, 773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 29 x 353 x 773 = 253,222,432

This can also be written as 25 x 291 x 3531 x 7731 = 253,222,432

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


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