Q: What are the prime factors of the number 356,625,152?

 A: 2, 13, 8243

Why are those the prime factors of the number 356,625,152?

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 356,625,152

356,625,152
Factor Arrows
2178,312,576
Factor Arrows
289,156,288
Factor Arrows
244,578,144
Factor Arrows
222,289,072
Factor Arrows
211,144,536
Factor Arrows
25,572,268
Factor Arrows
22,786,134
Factor Arrows
21,393,067
Factor Arrows
13107,159
Factor Arrows
138,243

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, 13, 8243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 13 x 13 x 8,243 = 356,625,152

This can also be written as 28 x 132 x 8,2431 = 356,625,152

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


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