Q: What are the prime factors of the number 392,116,300?

 A: 2, 5, 19, 47, 4391

Why are those the prime factors of the number 392,116,300?

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 392,116,300

392,116,300
Factor Arrows
2196,058,150
Factor Arrows
298,029,075
Factor Arrows
519,605,815
Factor Arrows
53,921,163
Factor Arrows
19206,377
Factor Arrows
474,391

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, 19, 47, 4391

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 19 x 47 x 4,391 = 392,116,300

This can also be written as 22 x 52 x 191 x 471 x 4,3911 = 392,116,300

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


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