Q: What are the prime factors of the number 562,152,320?

 A: 2, 5, 107, 8209

Why are those the prime factors of the number 562,152,320?

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 562,152,320

562,152,320
Factor Arrows
2281,076,160
Factor Arrows
2140,538,080
Factor Arrows
270,269,040
Factor Arrows
235,134,520
Factor Arrows
217,567,260
Factor Arrows
28,783,630
Factor Arrows
24,391,815
Factor Arrows
5878,363
Factor Arrows
1078,209

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, 5, 107, 8209

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 5 x 107 x 8,209 = 562,152,320

This can also be written as 27 x 51 x 1071 x 8,2091 = 562,152,320

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


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