GCF for 680 and 612

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 680 and 612?

Answer: GCF of 680 and 612 is 68

(Sixty-eight)

Finding GCF for 680 and 612 using all factors (divisors) listing

The first method to find GCF for numbers 680 and 612 is to list all factors for both numbers and pick the highest common one:

All factors of 680: 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680

All factors of 612: 1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612

So the Greatest Common Factor for 680 and 612 is 68

Finding GCF for 680 and 612 by Prime Factorization

The second method to find GCF for numbers 680 and 612 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 680: 2, 2, 2, 5, 17

All Prime Factors of 612: 2, 2, 3, 3, 17

As we can see there are Prime Factors common to both numbers: 2, 2, 17

Now we need to multiply them to find GCF: 2 × 2 × 17 = 68

See Also

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 680 and 612? (The answer is: 68). Select the first number (e.g. '680') and the second number (e.g. '612'). 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

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
6656121
66661218
6676121
6686124
6696123
6706122
6716121
67261212
6736121
6746122
6756129
6766124
6776121
6786126
6796121
68061268
6816123
6826122
6836121
68461236
6856121
6866122
6876123
6886124
6896121
6906126
6916121
6926124
6936129
6946122

FAQ

What is the Greatest common Divisor of 680 and 612?

GCF of 680 and 612 is 68

See Also