Q: What are the prime factors of the number 54,162,270?

 A: 2, 3, 5, 31, 719

Why are those the prime factors of the number 54,162,270?

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 54,162,270

54,162,270
Factor Arrows
227,081,135
Factor Arrows
39,027,045
Factor Arrows
33,009,015
Factor Arrows
31,003,005
Factor Arrows
3334,335
Factor Arrows
3111,445
Factor Arrows
522,289
Factor Arrows
31719

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, 5, 31, 719

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 5 x 31 x 719 = 54,162,270

This can also be written as 21 x 35 x 51 x 311 x 7191 = 54,162,270

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


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