GCF (HCF) of 31 and 93
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What is the Greatest Common Divisor of 31 and 93?
Answer
GCF (HCF) of 31 and 93 is
31
Common factors: 1, 31
31 divides 93 (93 ÷ 31 = 3), so the GCF is the smaller number itself.
31 — prime
93 = 3 × 31
| Prime | 31 | 93 | Lowest power |
|---|---|---|---|
| 3 | — | 3 | — |
| 31 | 31 | 31 | 31 |
— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.
GCF = 31
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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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GCF Table
| Number 1 | Number 2 | GCF |
|---|---|---|
| 31 | 78 | 1 |
| 31 | 79 | 1 |
| 31 | 80 | 1 |
| 31 | 81 | 1 |
| 31 | 82 | 1 |
| 31 | 83 | 1 |
| 31 | 84 | 1 |
| 31 | 85 | 1 |
| 31 | 86 | 1 |
| 31 | 87 | 1 |
| 31 | 88 | 1 |
| 31 | 89 | 1 |
| 31 | 90 | 1 |
| 31 | 91 | 1 |
| 31 | 92 | 1 |
| 31 | 93 | 31 |
| 31 | 94 | 1 |
| 31 | 95 | 1 |
| 31 | 96 | 1 |
| 31 | 97 | 1 |
| 31 | 98 | 1 |
| 31 | 99 | 1 |
| 31 | 100 | 1 |
| 31 | 101 | 1 |
| 31 | 102 | 1 |
| 31 | 103 | 1 |
| 31 | 104 | 1 |
| 31 | 105 | 1 |
| 31 | 106 | 1 |
| 31 | 107 | 1 |