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Listed under: Mathematics > Number (Mathematics) > Number operations > Multiplication > Factors > Composite numbers

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Prime and Composite Numbers - Calculate

TLF-IDA004256

This unit investigates prime and composite numbers. Prime numbers are the elements of number system. Combining primes together by multiplication gives us all of the other whole numbers, just as combining atoms of different elements gives us the molecules and compounds of the physical world.

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Self Improvement Wednesday: The beauty of prime numbers

TLF-IDM015590

A prime number is a number that only has two factors: one and itself. Listen to Adam Spencer and Richard Glover discussing prime numbers. They cover how we define these numbers and how and why prime numbers are widely used in internet encryption.