Q: What are the prime factors of the number 142,222,544?

 A: 2, 17, 31, 101, 167

Why are those the prime factors of the number 142,222,544?

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 142,222,544

142,222,544
Factor Arrows
271,111,272
Factor Arrows
235,555,636
Factor Arrows
217,777,818
Factor Arrows
28,888,909
Factor Arrows
17522,877
Factor Arrows
3116,867
Factor Arrows
101167

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, 17, 31, 101, 167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 31 x 101 x 167 = 142,222,544

This can also be written as 24 x 171 x 311 x 1011 x 1671 = 142,222,544

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


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