Q: What are the prime factors of the number 416,451,040?

 A: 2, 5, 17, 153107

Why are those the prime factors of the number 416,451,040?

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 416,451,040

416,451,040
Factor Arrows
2208,225,520
Factor Arrows
2104,112,760
Factor Arrows
252,056,380
Factor Arrows
226,028,190
Factor Arrows
213,014,095
Factor Arrows
52,602,819
Factor Arrows
17153,107

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, 17, 153107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 17 x 153,107 = 416,451,040

This can also be written as 25 x 51 x 171 x 153,1071 = 416,451,040

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


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