Q: What are the prime factors of the number 142,213,338?

 A: 2, 3, 41, 131, 1471

Why are those the prime factors of the number 142,213,338?

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 142,213,338

142,213,338
Factor Arrows
271,106,669
Factor Arrows
323,702,223
Factor Arrows
37,900,741
Factor Arrows
41192,701
Factor Arrows
1311,471

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, 41, 131, 1471

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 41 x 131 x 1,471 = 142,213,338

This can also be written as 21 x 32 x 411 x 1311 x 1,4711 = 142,213,338

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


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