GCF (HCF) of 8 and 1000
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What is the Greatest Common Divisor of 8 and 1,000?
Answer
GCF (HCF) of 8 and 1,000 is
8
Common factors: 1, 2, 4, 8
8 divides 1,000 (1,000 ÷ 8 = 125), so the GCF is the smaller number itself.
8 = 23
1,000 = 23 × 53
| Prime | 8 | 1,000 | Lowest power |
|---|---|---|---|
| 2 | 23 | 23 | 23 |
| 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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