GCF of 71 and 142 (Greatest Common Factor)
"Greatest Common Factor" Calculator
What is the Greatest Common Divisor of 71 and 142?
Answer
GCF of 71 and 142 is
71
(Seventy-one)
Finding GCF for 71 and 142 using all factors (divisors) listing
The first method to find GCF for numbers 71 and 142 is to list all factors for both numbers and pick the highest common one:
All factors of 71: 1, 71
All factors of 142: 1, 2, 71, 142
So the Greatest Common Factor for 71 and 142 is 71
Finding GCF for 71 and 142 by Prime Factorization
The second method to find GCF for numbers 71 and 142 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 142: 2, 71
As we can see there is only one Prime Factor common to both numbers. It is 71
So 71 is the Greatest Common Factor of 71 and 142
Found an error in the calculation or the information?
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See Also
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
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GCF Table
| Number 1 | Number 2 | GCF |
|---|---|---|
| 71 | 127 | 1 |
| 71 | 128 | 1 |
| 71 | 129 | 1 |
| 71 | 130 | 1 |
| 71 | 131 | 1 |
| 71 | 132 | 1 |
| 71 | 133 | 1 |
| 71 | 134 | 1 |
| 71 | 135 | 1 |
| 71 | 136 | 1 |
| 71 | 137 | 1 |
| 71 | 138 | 1 |
| 71 | 139 | 1 |
| 71 | 140 | 1 |
| 71 | 141 | 1 |
| 71 | 142 | 71 |
| 71 | 143 | 1 |
| 71 | 144 | 1 |
| 71 | 145 | 1 |
| 71 | 146 | 1 |
| 71 | 147 | 1 |
| 71 | 148 | 1 |
| 71 | 149 | 1 |
| 71 | 150 | 1 |
| 71 | 151 | 1 |
| 71 | 152 | 1 |
| 71 | 153 | 1 |
| 71 | 154 | 1 |
| 71 | 155 | 1 |
| 71 | 156 | 1 |
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 71 and 142? (The answer is: 71). Select the first number (e.g. '71') and the second number (e.g. '142'). 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