Q: What are the prime factors of the number 533,211,000?

 A: 2, 3, 5, 7, 25391

Why are those the prime factors of the number 533,211,000?

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 533,211,000

533,211,000
Factor Arrows
2266,605,500
Factor Arrows
2133,302,750
Factor Arrows
266,651,375
Factor Arrows
322,217,125
Factor Arrows
54,443,425
Factor Arrows
5888,685
Factor Arrows
5177,737
Factor Arrows
725,391

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, 7, 25391

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 5 x 5 x 7 x 25,391 = 533,211,000

This can also be written as 23 x 31 x 53 x 71 x 25,3911 = 533,211,000

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


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