Q: What are the prime factors of the number 122,056,416?

 A: 2, 3, 141269

Why are those the prime factors of the number 122,056,416?

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 122,056,416

122,056,416
Factor Arrows
261,028,208
Factor Arrows
230,514,104
Factor Arrows
215,257,052
Factor Arrows
27,628,526
Factor Arrows
23,814,263
Factor Arrows
31,271,421
Factor Arrows
3423,807
Factor Arrows
3141,269

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, 141269

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 3 x 141,269 = 122,056,416

This can also be written as 25 x 33 x 141,2691 = 122,056,416

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


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