Q: What are the prime factors of the number 106,421,322?

 A: 2, 3, 7, 23, 41, 2687

Why are those the prime factors of the number 106,421,322?

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 106,421,322

106,421,322
Factor Arrows
253,210,661
Factor Arrows
317,736,887
Factor Arrows
72,533,841
Factor Arrows
23110,167
Factor Arrows
412,687

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, 7, 23, 41, 2687

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 23 x 41 x 2,687 = 106,421,322

This can also be written as 21 x 31 x 71 x 231 x 411 x 2,6871 = 106,421,322

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


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