Q: What are the prime factors of the number 35,500,416?

 A: 2, 3, 7, 47, 281

Why are those the prime factors of the number 35,500,416?

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 35,500,416

35,500,416
Factor Arrows
217,750,208
Factor Arrows
28,875,104
Factor Arrows
24,437,552
Factor Arrows
22,218,776
Factor Arrows
21,109,388
Factor Arrows
2554,694
Factor Arrows
2277,347
Factor Arrows
392,449
Factor Arrows
713,207
Factor Arrows
47281

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, 47, 281

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 3 x 7 x 47 x 281 = 35,500,416

This can also be written as 27 x 31 x 71 x 471 x 2811 = 35,500,416

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


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