Q: What are the prime factors of the number 310,065,472?

 A: 2, 31, 131, 1193

Why are those the prime factors of the number 310,065,472?

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 310,065,472

310,065,472
Factor Arrows
2155,032,736
Factor Arrows
277,516,368
Factor Arrows
238,758,184
Factor Arrows
219,379,092
Factor Arrows
29,689,546
Factor Arrows
24,844,773
Factor Arrows
31156,283
Factor Arrows
1311,193

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, 31, 131, 1193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 31 x 131 x 1,193 = 310,065,472

This can also be written as 26 x 311 x 1311 x 1,1931 = 310,065,472

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


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