Q: What are the prime factors of the number 423,302,000?

 A: 2, 5, 11, 71, 271

Why are those the prime factors of the number 423,302,000?

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 423,302,000

423,302,000
Factor Arrows
2211,651,000
Factor Arrows
2105,825,500
Factor Arrows
252,912,750
Factor Arrows
226,456,375
Factor Arrows
55,291,275
Factor Arrows
51,058,255
Factor Arrows
5211,651
Factor Arrows
1119,241
Factor Arrows
71271

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, 11, 71, 271

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 11 x 71 x 271 = 423,302,000

This can also be written as 24 x 53 x 111 x 711 x 2711 = 423,302,000

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


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