Q: What are the prime factors of the number 143,023,120?

 A: 2, 5, 373, 4793

Why are those the prime factors of the number 143,023,120?

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 143,023,120

143,023,120
Factor Arrows
271,511,560
Factor Arrows
235,755,780
Factor Arrows
217,877,890
Factor Arrows
28,938,945
Factor Arrows
51,787,789
Factor Arrows
3734,793

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, 5, 373, 4793

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 373 x 4,793 = 143,023,120

This can also be written as 24 x 51 x 3731 x 4,7931 = 143,023,120

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


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