GCF for 70 and 385
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 70 and 385?
Answer: GCF of 70 and 385 is 35
(Thirty-five)
Finding GCF for 70 and 385 using all factors (divisors) listing
The first method to find GCF for numbers 70 and 385 is to list all factors for both numbers and pick the highest common one:
All factors of 70: 1, 2, 5, 7, 10, 14, 35, 70
All factors of 385: 1, 5, 7, 11, 35, 55, 77, 385
So the Greatest Common Factor for 70 and 385 is 35
Finding GCF for 70 and 385 by Prime Factorization
The second method to find GCF for numbers 70 and 385 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 70: 2, 5, 7
All Prime Factors of 385: 5, 7, 11
As we can see there are Prime Factors common to both numbers: 5, 7
Now we need to multiply them to find GCF: 5 × 7 = 35
See Also
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
About "Greatest Common Factor" Calculator
This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 70 and 385? (The answer is: 35). Select the first number (e.g. '70') and the second number (e.g. '385'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder
"Greatest Common Factor" Calculator
GCF Table
| Number 1 | Number 2 | GCF |
|---|---|---|
| 55 | 385 | 55 |
| 56 | 385 | 7 |
| 57 | 385 | 1 |
| 58 | 385 | 1 |
| 59 | 385 | 1 |
| 60 | 385 | 5 |
| 61 | 385 | 1 |
| 62 | 385 | 1 |
| 63 | 385 | 7 |
| 64 | 385 | 1 |
| 65 | 385 | 5 |
| 66 | 385 | 11 |
| 67 | 385 | 1 |
| 68 | 385 | 1 |
| 69 | 385 | 1 |
| 70 | 385 | 35 |
| 71 | 385 | 1 |
| 72 | 385 | 1 |
| 73 | 385 | 1 |
| 74 | 385 | 1 |
| 75 | 385 | 5 |
| 76 | 385 | 1 |
| 77 | 385 | 77 |
| 78 | 385 | 1 |
| 79 | 385 | 1 |
| 80 | 385 | 5 |
| 81 | 385 | 1 |
| 82 | 385 | 1 |
| 83 | 385 | 1 |
| 84 | 385 | 7 |
FAQ
What is the Greatest common Divisor of 70 and 385?
GCF of 70 and 385 is 35
See Also
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- Наибольший общий делитель 70 и 385