GCF for 100 and 450

What is the Greatest common Divisor of 100 and 450?

Answer: GCF of 100 and 450 is 50

(Fifty)

Finding GCF for 100 and 450 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 450 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 450: 1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450

So the Greatest Common Factor for 100 and 450 is 50

Finding GCF for 100 and 450 by Prime Factorization

The second method to find GCF for numbers 100 and 450 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 450: 2, 3, 3, 5, 5

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

Now we need to multiply them to find GCF: 2 × 5 × 5 = 50

Related Calculations

GCF Table

Number 1Number 2GCF
854505
864502
874503
884502
894501
9045090
914501
924502
934503
944502
954505
964506
974501
984502
994509
10045050
1014501
1024506
1034501
1044502
10545015
1064502
1074501
10845018
1094501
11045010
1114503
1124502
1134501
1144506

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 450? (The answer is: 50). Select the first number (e.g. '100') and the second number (e.g. '450'). 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 450?

GCF of 100 and 450 is 50