Q: What are the prime factors of the number 273,223,104?

 A: 2, 3, 7, 11, 18481

Why are those the prime factors of the number 273,223,104?

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 273,223,104

273,223,104
Factor Arrows
2136,611,552
Factor Arrows
268,305,776
Factor Arrows
234,152,888
Factor Arrows
217,076,444
Factor Arrows
28,538,222
Factor Arrows
24,269,111
Factor Arrows
31,423,037
Factor Arrows
7203,291
Factor Arrows
1118,481

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, 7, 11, 18481

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 3 x 7 x 11 x 18,481 = 273,223,104

This can also be written as 26 x 31 x 71 x 111 x 18,4811 = 273,223,104

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


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