Q: What are the prime factors of the number 122,073,276?

 A: 2, 3, 13, 269, 2909

Why are those the prime factors of the number 122,073,276?

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 122,073,276

122,073,276
Factor Arrows
261,036,638
Factor Arrows
230,518,319
Factor Arrows
310,172,773
Factor Arrows
13782,521
Factor Arrows
2692,909

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, 13, 269, 2909

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 269 x 2,909 = 122,073,276

This can also be written as 22 x 31 x 131 x 2691 x 2,9091 = 122,073,276

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


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