Q: What are the prime factors of the number 140,250,300?

 A: 2, 3, 5, 109, 4289

Why are those the prime factors of the number 140,250,300?

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 140,250,300

140,250,300
Factor Arrows
270,125,150
Factor Arrows
235,062,575
Factor Arrows
311,687,525
Factor Arrows
52,337,505
Factor Arrows
5467,501
Factor Arrows
1094,289

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, 109, 4289

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 109 x 4,289 = 140,250,300

This can also be written as 22 x 31 x 52 x 1091 x 4,2891 = 140,250,300

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


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