Q: What are the prime factors of the number 23,152,000?

 A: 2, 5, 1447

Why are those the prime factors of the number 23,152,000?

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 23,152,000

23,152,000
Factor Arrows
211,576,000
Factor Arrows
25,788,000
Factor Arrows
22,894,000
Factor Arrows
21,447,000
Factor Arrows
2723,500
Factor Arrows
2361,750
Factor Arrows
2180,875
Factor Arrows
536,175
Factor Arrows
57,235
Factor Arrows
51,447

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, 1447

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 5 x 5 x 1,447 = 23,152,000

This can also be written as 27 x 53 x 1,4471 = 23,152,000

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


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