Q: What are the prime factors of the number 228,686,456?

 A: 2, 71, 457, 881

Why are those the prime factors of the number 228,686,456?

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 228,686,456

228,686,456
Factor Arrows
2114,343,228
Factor Arrows
257,171,614
Factor Arrows
228,585,807
Factor Arrows
71402,617
Factor Arrows
457881

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, 71, 457, 881

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 71 x 457 x 881 = 228,686,456

This can also be written as 23 x 711 x 4571 x 8811 = 228,686,456

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


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