Q: What are the prime factors of the number 29,467,648?

 A: 2, 7, 4111

Why are those the prime factors of the number 29,467,648?

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 29,467,648

29,467,648
Factor Arrows
214,733,824
Factor Arrows
27,366,912
Factor Arrows
23,683,456
Factor Arrows
21,841,728
Factor Arrows
2920,864
Factor Arrows
2460,432
Factor Arrows
2230,216
Factor Arrows
2115,108
Factor Arrows
257,554
Factor Arrows
228,777
Factor Arrows
74,111

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, 7, 4111

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 2 x 2 x 7 x 4,111 = 29,467,648

This can also be written as 210 x 71 x 4,1111 = 29,467,648

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


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