GCF (HCF) of 29 and 57
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What is the Greatest Common Divisor of 29 and 57?
Answer
GCF (HCF) of 29 and 57 is
1
Common factors: 1
Only 1 divides both: 29 and 57 share no prime factor.
Such numbers are called coprime (relatively prime); their LCM is just the product: 29 × 57 = 1,653.
29 — prime
57 = 3 × 19
| Prime | 29 | 57 | Lowest power |
|---|---|---|---|
| 3 | — | 3 | — |
| 19 | — | 19 | — |
| 29 | 29 | — | — |
— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.
GCF = 1
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See Also
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
- Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
- Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
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