Q: What are the prime factors of the number 106,347,256?

 A: 2, 19, 43, 53, 307

Why are those the prime factors of the number 106,347,256?

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 106,347,256

106,347,256
Factor Arrows
253,173,628
Factor Arrows
226,586,814
Factor Arrows
213,293,407
Factor Arrows
19699,653
Factor Arrows
4316,271
Factor Arrows
53307

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, 19, 43, 53, 307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 19 x 43 x 53 x 307 = 106,347,256

This can also be written as 23 x 191 x 431 x 531 x 3071 = 106,347,256

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


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