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A famous theorem says that each number has a unique prime factorization.

You can begin by expanding the number to known products, say 10 * 19 (or 5*38 or ...)

You just keep going until only prime numbers remain. Here, 19 is prime but 10 is composite so we reduce it further to 2*5. Both of these are prime numbers, so we are done.

The resulting pf is 190=2*5*19 (only powers of prime numbers on the right)
It is: 2*5*19 = 190

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8y ago

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