Q: What are the prime factors of the number 2,892,000?

 A: 2, 3, 5, 241

Why are those the prime factors of the number 2,892,000?

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 2,892,000

2,892,000
Factor Arrows
21,446,000
Factor Arrows
2723,000
Factor Arrows
2361,500
Factor Arrows
2180,750
Factor Arrows
290,375
Factor Arrows
330,125
Factor Arrows
56,025
Factor Arrows
51,205
Factor Arrows
5241

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, 241

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 5 x 241 = 2,892,000

This can also be written as 25 x 31 x 53 x 2411 = 2,892,000

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


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