Q: What are the prime factors of the number 143,242,432?

 A: 2, 2238163

Why are those the prime factors of the number 143,242,432?

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 143,242,432

143,242,432
Factor Arrows
271,621,216
Factor Arrows
235,810,608
Factor Arrows
217,905,304
Factor Arrows
28,952,652
Factor Arrows
24,476,326
Factor Arrows
22,238,163

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, 2238163

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 2,238,163 = 143,242,432

This can also be written as 26 x 2,238,1631 = 143,242,432

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


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