GCF for 100 and 745

What is the Greatest common Divisor of 100 and 745?

Answer: GCF of 100 and 745 is 5

(Five)

Finding GCF for 100 and 745 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 745 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 745: 1, 5, 149, 745

So the Greatest Common Factor for 100 and 745 is 5

Finding GCF for 100 and 745 by Prime Factorization

The second method to find GCF for numbers 100 and 745 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 745: 5, 149

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 745

GCF Table

Number 1Number 2GCF
857455
867451
877451
887451
897451
907455
917451
927451
937451
947451
957455
967451
977451
987451
997451
1007455
1017451
1027451
1037451
1047451
1057455
1067451
1077451
1087451
1097451
1107455
1117451
1127451
1137451
1147451

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 745? (The answer is: 5). Select the first number (e.g. '100') and the second number (e.g. '745'). 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 745?

GCF of 100 and 745 is 5