Q: What are the prime factors of the number 421,875,928?

 A: 2, 269, 196039

Why are those the prime factors of the number 421,875,928?

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 421,875,928

421,875,928
Factor Arrows
2210,937,964
Factor Arrows
2105,468,982
Factor Arrows
252,734,491
Factor Arrows
269196,039

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, 269, 196039

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 269 x 196,039 = 421,875,928

This can also be written as 23 x 2691 x 196,0391 = 421,875,928

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


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