Q: What are the prime factors of the number 142,415,056?

 A: 2, 7, 29, 163, 269

Why are those the prime factors of the number 142,415,056?

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 142,415,056

142,415,056
Factor Arrows
271,207,528
Factor Arrows
235,603,764
Factor Arrows
217,801,882
Factor Arrows
28,900,941
Factor Arrows
71,271,563
Factor Arrows
2943,847
Factor Arrows
163269

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, 7, 29, 163, 269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 29 x 163 x 269 = 142,415,056

This can also be written as 24 x 71 x 291 x 1631 x 2691 = 142,415,056

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


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