Q: What are the prime factors of the number 254,535,432?

 A: 2, 3, 37, 61, 127

Why are those the prime factors of the number 254,535,432?

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 254,535,432

254,535,432
Factor Arrows
2127,267,716
Factor Arrows
263,633,858
Factor Arrows
231,816,929
Factor Arrows
310,605,643
Factor Arrows
37286,639
Factor Arrows
377,747
Factor Arrows
61127

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, 37, 61, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 37 x 37 x 61 x 127 = 254,535,432

This can also be written as 23 x 31 x 372 x 611 x 1271 = 254,535,432

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


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