Q: What are the prime factors of the number 54,210,456?

 A: 2, 3, 61, 12343

Why are those the prime factors of the number 54,210,456?

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 54,210,456

54,210,456
Factor Arrows
227,105,228
Factor Arrows
213,552,614
Factor Arrows
26,776,307
Factor Arrows
32,258,769
Factor Arrows
3752,923
Factor Arrows
6112,343

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, 61, 12343

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 61 x 12,343 = 54,210,456

This can also be written as 23 x 32 x 611 x 12,3431 = 54,210,456

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


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