GCF for 100 and 985

What is the Greatest common Divisor of 100 and 985?

Answer: GCF of 100 and 985 is 5

(Five)

Finding GCF for 100 and 985 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 985 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 985: 1, 5, 197, 985

So the Greatest Common Factor for 100 and 985 is 5

Finding GCF for 100 and 985 by Prime Factorization

The second method to find GCF for numbers 100 and 985 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 985: 5, 197

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 100 and 985

GCF Table

Number 1Number 2GCF
859855
869851
879851
889851
899851
909855
919851
929851
939851
949851
959855
969851
979851
989851
999851
1009855
1019851
1029851
1039851
1049851
1059855
1069851
1079851
1089851
1099851
1109855
1119851
1129851
1139851
1149851

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 985? (The answer is: 5). Select the first number (e.g. '100') and the second number (e.g. '985'). 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 985?

GCF of 100 and 985 is 5