Q: What are the prime factors of the number 29,397,852?

 A: 2, 3, 11, 61, 1217

Why are those the prime factors of the number 29,397,852?

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 29,397,852

29,397,852
Factor Arrows
214,698,926
Factor Arrows
27,349,463
Factor Arrows
32,449,821
Factor Arrows
3816,607
Factor Arrows
1174,237
Factor Arrows
611,217

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, 11, 61, 1217

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 61 x 1,217 = 29,397,852

This can also be written as 22 x 32 x 111 x 611 x 1,2171 = 29,397,852

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


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