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Prime & Composite
can be expressed as a product of primes (prime factorization)
- Prime → only evenly divisible by 1 and itself
- Composite → everything else; more than two divisors
Greatest Common Divisor
- The largest integer that divides both numbers
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Prime Number Comparison
| Prime Factor | ||
|---|---|---|
Euclides Algorithm
Least Common Multiple
- The largest power of either prime factor
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