Prime Factorization
Break any whole number into its prime factor building blocks.
A prime number is a whole number greater than 1 that has exactly two factors: 1 and itself. Primes are the "atoms" of arithmetic — every integer greater than 1 can be written as a unique product of primes (fundamental theorem of arithmetic).
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Fun Fact
The largest known prime (as of 2024) has over 41 million digits. It was discovered using distributed computing. There are infinitely many primes — proved by Euclid around 300 BC.
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