# Flashcards - Understanding Number Theory & Estimation

Flashcards - Understanding Number Theory & Estimation
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prime number
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself
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composite number
A composite number is a positive integer that can be formed by multiplying together two smaller positive integers
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composite number
A composite number is a positive integer that can be formed by multiplying together two smaller positive integers
prime number
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself
the greatest common factor
In mathematics, the greatest common divisor of two or more integers, when at least one of them is not zero, is the largest positive integer that divides the numbers without a remainder
estimate
Estimation is the process of finding an estimate, or approximation, which is a value that is usable for some purpose even if input data may be incomplete, uncertain, or unstable

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