Q: What are the prime factors of the number 127,202,544?

 A: 2, 3, 7, 53, 2381

Why are those the prime factors of the number 127,202,544?

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 127,202,544

127,202,544
Factor Arrows
263,601,272
Factor Arrows
231,800,636
Factor Arrows
215,900,318
Factor Arrows
27,950,159
Factor Arrows
32,650,053
Factor Arrows
3883,351
Factor Arrows
7126,193
Factor Arrows
532,381

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, 53, 2381

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 7 x 53 x 2,381 = 127,202,544

This can also be written as 24 x 32 x 71 x 531 x 2,3811 = 127,202,544

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


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