Q: What are the prime factors of the number 29,000,960?

 A: 2, 5, 139, 163

Why are those the prime factors of the number 29,000,960?

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 29,000,960

29,000,960
Factor Arrows
214,500,480
Factor Arrows
27,250,240
Factor Arrows
23,625,120
Factor Arrows
21,812,560
Factor Arrows
2906,280
Factor Arrows
2453,140
Factor Arrows
2226,570
Factor Arrows
2113,285
Factor Arrows
522,657
Factor Arrows
139163

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, 139, 163

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 2 x 5 x 139 x 163 = 29,000,960

This can also be written as 28 x 51 x 1391 x 1631 = 29,000,960

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


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