GCF (HCF) of 144 and 1000
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What is the Greatest Common Divisor of 144 and 1,000?
Answer
GCF (HCF) of 144 and 1,000 is
8
Common factors: 1, 2, 4, 8
8 divides both: 144 ÷ 8 = 18; 1,000 ÷ 8 = 125 — and 18 and 125 share no factor but 1, so no larger number divides both.
144 = 24 × 32
1,000 = 23 × 53
| Prime | 144 | 1,000 | Lowest power |
|---|---|---|---|
| 2 | 24 | 23 | 23 |
| 3 | 32 | — | — |
| 5 | — | 53 | — |
— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.
GCF = 23 = 8
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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 |
|---|---|---|
| 144 | 985 | 1 |
| 144 | 986 | 2 |
| 144 | 987 | 3 |
| 144 | 988 | 4 |
| 144 | 989 | 1 |
| 144 | 990 | 18 |
| 144 | 991 | 1 |
| 144 | 992 | 16 |
| 144 | 993 | 3 |
| 144 | 994 | 2 |
| 144 | 995 | 1 |
| 144 | 996 | 12 |
| 144 | 997 | 1 |
| 144 | 998 | 2 |
| 144 | 999 | 9 |
| 144 | 1,000 | 8 |
| 144 | 1,001 | 1 |
| 144 | 1,002 | 6 |
| 144 | 1,003 | 1 |
| 144 | 1,004 | 4 |
| 144 | 1,005 | 3 |
| 144 | 1,006 | 2 |
| 144 | 1,007 | 1 |
| 144 | 1,008 | 144 |
| 144 | 1,009 | 1 |
| 144 | 1,010 | 2 |
| 144 | 1,011 | 3 |
| 144 | 1,012 | 4 |
| 144 | 1,013 | 1 |
| 144 | 1,014 | 6 |