Q: What are the prime factors of the number 570,443,520?

 A: 2, 3, 5, 149, 997

Why are those the prime factors of the number 570,443,520?

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 570,443,520

570,443,520
Factor Arrows
2285,221,760
Factor Arrows
2142,610,880
Factor Arrows
271,305,440
Factor Arrows
235,652,720
Factor Arrows
217,826,360
Factor Arrows
28,913,180
Factor Arrows
24,456,590
Factor Arrows
22,228,295
Factor Arrows
3742,765
Factor Arrows
5148,553
Factor Arrows
149997

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, 149, 997

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 149 x 997 = 570,443,520

This can also be written as 28 x 31 x 51 x 1491 x 9971 = 570,443,520

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


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