GCF (HCF) of 42 and 70
"Greatest Common Factor" Calculator
What is the Greatest Common Divisor of 42 and 70?
Answer
GCF (HCF) of 42 and 70 is
14
Common factors: 1, 2, 7, 14
14 divides both: 42 ÷ 14 = 3, 70 ÷ 14 = 5 — and 3 and 5 share no factor but 1, so no larger number divides both.
42 = 2 × 3 × 7
70 = 2 × 5 × 7
| Prime | 42 | 70 | Lowest power |
|---|---|---|---|
| 2 | 2 | 2 | 2 |
| 3 | 3 | — | — |
| 5 | — | 5 | — |
| 7 | 7 | 7 | 7 |
— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.
GCF = 2 × 7 = 14
More with these numbers
Found an error in the calculation or the information?
Related Calculations
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
Share This Calculation
Print
<a href="https://calculat.io/en/number/greatest-common-factor-of/42--70">What is the GCF (HCF) of 42 and 70 - Calculatio</a>Facebook
Twitter
Telegram
WhatsApp
Viber
Email
