GCF for 100 and 190

What is the Greatest common Divisor of 100 and 190?

Answer: GCF of 100 and 190 is 10

(Ten)

Finding GCF for 100 and 190 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 190 is to list all factors for both numbers and pick the highest common one:

All factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100

All factors of 190: 1, 2, 5, 10, 19, 38, 95, 190

So the Greatest Common Factor for 100 and 190 is 10

Finding GCF for 100 and 190 by Prime Factorization

The second method to find GCF for numbers 100 and 190 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 100: 2, 2, 5, 5

All Prime Factors of 190: 2, 5, 19

As we can see there are Prime Factors common to both numbers: 2, 5

Now we need to multiply them to find GCF: 2 × 5 = 10

GCF Table

Number 1Number 2GCF
851905
861902
871901
881902
891901
9019010
911901
921902
931901
941902
9519095
961902
971901
981902
991901
10019010
1011901
1021902
1031901
1041902
1051905
1061902
1071901
1081902
1091901
11019010
1111901
1121902
1131901
114190

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 100 and 190? (The answer is: 10). Select the first number (e.g. '100') and the second number (e.g. '190'). 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

FAQ

What is the Greatest common Divisor of 100 and 190?

GCF of 100 and 190 is 10