GCF for 90 and 380

What is the Greatest common Divisor of 90 and 380?

Answer: GCF of 90 and 380 is 10

(Ten)

Finding GCF for 90 and 380 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 380 is to list all factors for both numbers and pick the highest common one:

All factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

All factors of 380: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380

So the Greatest Common Factor for 90 and 380 is 10

Finding GCF for 90 and 380 by Prime Factorization

The second method to find GCF for numbers 90 and 380 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 90: 2, 3, 3, 5

All Prime Factors of 380: 2, 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
753805
7638076
773801
783802
793801
8038020
813801
823802
833801
843804
853805
863802
873801
883804
893801
9038010
913801
923804
933801
943802
9538095
963804
973801
983802
993801
10038020
1013801
1023802
1033801
1043804

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 90 and 380? (The answer is: 10). Select the first number (e.g. '90') and the second number (e.g. '380'). 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 90 and 380?

GCF of 90 and 380 is 10