GCF (HCF) of 33 and 54
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What is the Greatest Common Divisor of 33 and 54?
Answer
GCF (HCF) of 33 and 54 is
3
Common factors: 1, 3
3 divides both: 33 ÷ 3 = 11, 54 ÷ 3 = 18 — and 11 and 18 share no factor but 1, so no larger number divides both.
33 = 3 × 11
54 = 2 × 33
| Prime | 33 | 54 | Lowest power |
|---|---|---|---|
| 2 | — | 2 | — |
| 3 | 3 | 33 | 3 |
| 11 | 11 | — | — |
— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.
GCF = 3
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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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