Q: What are the prime factors of the number 500,220,504?

 A: 2, 3, 7, 173, 5737

Why are those the prime factors of the number 500,220,504?

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 500,220,504

500,220,504
Factor Arrows
2250,110,252
Factor Arrows
2125,055,126
Factor Arrows
262,527,563
Factor Arrows
320,842,521
Factor Arrows
36,947,507
Factor Arrows
7992,501
Factor Arrows
1735,737

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, 7, 173, 5737

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 7 x 173 x 5,737 = 500,220,504

This can also be written as 23 x 32 x 71 x 1731 x 5,7371 = 500,220,504

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


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