GCF for 30, 48 and 60
"Greatest Common Factor of 3 Numbers" Calculator
What's the Greatest Common Factor (GCF) of 30, 48 and 60?
Answer
GCF of 30, 48 and 60 is
6
Common factors: 1, 2, 3, 6
6 divides all three: 30 ÷ 6 = 5, 48 ÷ 6 = 8, 60 ÷ 6 = 10 — and 5, 8 and 10 have no factor but 1 common to all of them, so no larger number divides all three.
30 = 2 × 3 × 5
48 = 24 × 3
60 = 22 × 3 × 5
| Prime | 30 | 48 | 60 | Lowest power |
|---|---|---|---|---|
| 2 | 2 | 24 | 22 | 2 |
| 3 | 3 | 3 | 3 | 3 |
| 5 | 5 | — | 5 | — |
— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.
GCF = 2 × 3 = 6
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See Also
- Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
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GCF Table
| 1st | 2nd | 3rd | GCF |
|---|---|---|---|
| 30 | 45 | 48 | 3 |
| 30 | 46 | 48 | 2 |
| 30 | 47 | 48 | 1 |
| 30 | 48 | 48 | 6 |
| 30 | 48 | 49 | 1 |
| 30 | 48 | 50 | 2 |
| 30 | 48 | 51 | 3 |
| 30 | 48 | 52 | 2 |
| 30 | 48 | 53 | 1 |
| 30 | 48 | 54 | 6 |
| 30 | 48 | 55 | 1 |
| 30 | 48 | 56 | 2 |
| 30 | 48 | 57 | 3 |
| 30 | 48 | 58 | 2 |
| 30 | 48 | 59 | 1 |
| 30 | 48 | 60 | 6 |
| 30 | 48 | 61 | 1 |
| 30 | 48 | 62 | 2 |
| 30 | 48 | 63 | 3 |
| 30 | 48 | 64 | 2 |
| 30 | 48 | 65 | 1 |
| 30 | 48 | 66 | 6 |
| 30 | 48 | 67 | 1 |
| 30 | 48 | 68 | 2 |
| 30 | 48 | 69 | 3 |
| 30 | 48 | 70 | 2 |
| 30 | 48 | 71 | 1 |
| 30 | 48 | 72 | 6 |
| 30 | 48 | 73 | 1 |
| 30 | 48 | 74 | 2 |