GCF for 115 and 207

What is the Greatest common Divisor of 115 and 207?

Answer: GCF of 115 and 207 is 23

(Twenty-three)

Finding GCF for 115 and 207 using all factors (divisors) listing

The first method to find GCF for numbers 115 and 207 is to list all factors for both numbers and pick the highest common one:

All factors of 115: 1, 5, 23, 115

All factors of 207: 1, 3, 9, 23, 69, 207

So the Greatest Common Factor for 115 and 207 is 23

Finding GCF for 115 and 207 by Prime Factorization

The second method to find GCF for numbers 115 and 207 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 115: 5, 23

All Prime Factors of 207: 3, 3, 23

As we can see there is only one Prime Factor common to both numbers. It is 23

So 23 is the Greatest Common Factor of 115 and 207

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 115 and 207? (The answer is: 23). Select the first number (e.g. '115') and the second number (e.g. '207'). 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

GCF Table

Number 1Number 2GCF
1002071
1012071
1022073
1032071
1042071
1052073
1062071
1072071
1082079
1092071
1102071
1112073
1122071
1132071
1142073
115207
1162071
1172079
1182071
1192071
1202073
1212071
1222071
1232073
1242071
1252071
1262079
1272071
1282071
1292073

FAQ

What is the Greatest common Divisor of 115 and 207?

GCF of 115 and 207 is 23