Q: What are the prime factors of the number 506,506,000?

 A: 2, 5, 7, 11, 13, 23

Why are those the prime factors of the number 506,506,000?

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 506,506,000

506,506,000
Factor Arrows
2253,253,000
Factor Arrows
2126,626,500
Factor Arrows
263,313,250
Factor Arrows
231,656,625
Factor Arrows
56,331,325
Factor Arrows
51,266,265
Factor Arrows
5253,253
Factor Arrows
736,179
Factor Arrows
113,289
Factor Arrows
11299
Factor Arrows
1323

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, 7, 11, 13, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 7 x 11 x 11 x 13 x 23 = 506,506,000

This can also be written as 24 x 53 x 71 x 112 x 131 x 231 = 506,506,000

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


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