Q: What are the prime factors of the number 142,423,110?

 A: 2, 3, 5, 17, 10343

Why are those the prime factors of the number 142,423,110?

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 142,423,110

142,423,110
Factor Arrows
271,211,555
Factor Arrows
323,737,185
Factor Arrows
37,912,395
Factor Arrows
32,637,465
Factor Arrows
3879,155
Factor Arrows
5175,831
Factor Arrows
1710,343

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, 5, 17, 10343

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 17 x 10,343 = 142,423,110

This can also be written as 21 x 34 x 51 x 171 x 10,3431 = 142,423,110

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


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