Q: What are the prime factors of the number 145,433,106?

 A: 2, 3, 7, 13, 19, 4673

Why are those the prime factors of the number 145,433,106?

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 145,433,106

145,433,106
Factor Arrows
272,716,553
Factor Arrows
324,238,851
Factor Arrows
38,079,617
Factor Arrows
71,154,231
Factor Arrows
1388,787
Factor Arrows
194,673

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, 7, 13, 19, 4673

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 13 x 19 x 4,673 = 145,433,106

This can also be written as 21 x 32 x 71 x 131 x 191 x 4,6731 = 145,433,106

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


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