Q: What are the prime factors of the number 648,274,104?

 A: 2, 3, 1000423

Why are those the prime factors of the number 648,274,104?

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 648,274,104

648,274,104
Factor Arrows
2324,137,052
Factor Arrows
2162,068,526
Factor Arrows
281,034,263
Factor Arrows
327,011,421
Factor Arrows
39,003,807
Factor Arrows
33,001,269
Factor Arrows
31,000,423

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, 1000423

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 1,000,423 = 648,274,104

This can also be written as 23 x 34 x 1,000,4231 = 648,274,104

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


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