Q: What are the prime factors of the number 812,031,144?

 A: 2, 3, 283, 119557

Why are those the prime factors of the number 812,031,144?

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 812,031,144

812,031,144
Factor Arrows
2406,015,572
Factor Arrows
2203,007,786
Factor Arrows
2101,503,893
Factor Arrows
333,834,631
Factor Arrows
283119,557

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, 283, 119557

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 283 x 119,557 = 812,031,144

This can also be written as 23 x 31 x 2831 x 119,5571 = 812,031,144

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


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