Q: What are the prime factors of the number 222,364,416?

 A: 2, 3, 139, 2083

Why are those the prime factors of the number 222,364,416?

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 222,364,416

222,364,416
Factor Arrows
2111,182,208
Factor Arrows
255,591,104
Factor Arrows
227,795,552
Factor Arrows
213,897,776
Factor Arrows
26,948,888
Factor Arrows
23,474,444
Factor Arrows
21,737,222
Factor Arrows
2868,611
Factor Arrows
3289,537
Factor Arrows
1392,083

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, 139, 2083

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 2 x 2 x 3 x 139 x 2,083 = 222,364,416

This can also be written as 28 x 31 x 1391 x 2,0831 = 222,364,416

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


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