Q: What are the prime factors of the number 670,531,152?

 A: 2, 3, 113, 181, 683

Why are those the prime factors of the number 670,531,152?

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 670,531,152

670,531,152
Factor Arrows
2335,265,576
Factor Arrows
2167,632,788
Factor Arrows
283,816,394
Factor Arrows
241,908,197
Factor Arrows
313,969,399
Factor Arrows
113123,623
Factor Arrows
181683

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, 113, 181, 683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 113 x 181 x 683 = 670,531,152

This can also be written as 24 x 31 x 1131 x 1811 x 6831 = 670,531,152

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


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