Q: What are the prime factors of the number 413,654,112?

 A: 2, 3, 79, 18181

Why are those the prime factors of the number 413,654,112?

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 413,654,112

413,654,112
Factor Arrows
2206,827,056
Factor Arrows
2103,413,528
Factor Arrows
251,706,764
Factor Arrows
225,853,382
Factor Arrows
212,926,691
Factor Arrows
34,308,897
Factor Arrows
31,436,299
Factor Arrows
7918,181

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, 79, 18181

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 79 x 18,181 = 413,654,112

This can also be written as 25 x 32 x 791 x 18,1811 = 413,654,112

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


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