Q: What are the prime factors of the number 562,405,272?

 A: 2, 3, 11, 13, 163871

Why are those the prime factors of the number 562,405,272?

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 562,405,272

562,405,272
Factor Arrows
2281,202,636
Factor Arrows
2140,601,318
Factor Arrows
270,300,659
Factor Arrows
323,433,553
Factor Arrows
112,130,323
Factor Arrows
13163,871

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, 11, 13, 163871

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 13 x 163,871 = 562,405,272

This can also be written as 23 x 31 x 111 x 131 x 163,8711 = 562,405,272

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


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