Q: What are the prime factors of the number 106,443,490?

 A: 2, 5, 43, 73, 3391

Why are those the prime factors of the number 106,443,490?

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 106,443,490

106,443,490
Factor Arrows
253,221,745
Factor Arrows
510,644,349
Factor Arrows
43247,543
Factor Arrows
733,391

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, 43, 73, 3391

We can check our work by multiplying all of the prime factors together: 2 x 5 x 43 x 73 x 3,391 = 106,443,490

This can also be written as 21 x 51 x 431 x 731 x 3,3911 = 106,443,490

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


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