Q: What are the prime factors of the number 142,125,056?

 A: 2, 29, 2393

Why are those the prime factors of the number 142,125,056?

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 142,125,056

142,125,056
Factor Arrows
271,062,528
Factor Arrows
235,531,264
Factor Arrows
217,765,632
Factor Arrows
28,882,816
Factor Arrows
24,441,408
Factor Arrows
22,220,704
Factor Arrows
21,110,352
Factor Arrows
2555,176
Factor Arrows
2277,588
Factor Arrows
2138,794
Factor Arrows
269,397
Factor Arrows
292,393

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, 29, 2393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 29 x 2,393 = 142,125,056

This can also be written as 211 x 291 x 2,3931 = 142,125,056

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


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