GCF for 100 and 430

What is the Greatest common Divisor of 100 and 430?

Answer: GCF of 100 and 430 is 10

(Ten)

Finding GCF for 100 and 430 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 430 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 430: 1, 2, 5, 10, 43, 86, 215, 430

So the Greatest Common Factor for 100 and 430 is 10

Finding GCF for 100 and 430 by Prime Factorization

The second method to find GCF for numbers 100 and 430 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 430: 2, 5, 43

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
854305
8643086
874301
884302
894301
9043010
914301
924302
934301
944302
954305
964302
974301
984302
994301
10043010
1014301
1024302
1034301
1044302
1054305
1064302
1074301
1084302
1094301
11043010
1114301
1124302
1134301
1144302

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 430? (The answer is: 10). Select the first number (e.g. '100') and the second number (e.g. '430'). 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 430?

GCF of 100 and 430 is 10