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( If you can use the same Prime number twice) The answer is 2, 2, and 5.
2 x 2 = 4 --> 4 x 5 = 20
7 + 13 = 20 Note that there are no two prime numbers x and y that multiply to 20.
These are the prime numbers 1-20 2,3,5,7,11,13,17,19
Oh, dude, that's an easy one. So, like, the two prime numbers that multiply to make 100 are 5 and 20. Wait, did I say 20? I meant 2 and 50. Math, right? It's like a puzzle, but with numbers.
2/5 of the numbers from 1 to 20 are prime numbers
The prime numbers between 10 and 20 are 11, 13, 17, and 19.