GCF for 90 and 885

What is the Greatest common Divisor of 90 and 885?

Answer: GCF of 90 and 885 is 15

(Fifteen)

Finding GCF for 90 and 885 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 885 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 885: 1, 3, 5, 15, 59, 177, 295, 885

So the Greatest Common Factor for 90 and 885 is 15

Finding GCF for 90 and 885 by Prime Factorization

The second method to find GCF for numbers 90 and 885 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 885: 3, 5, 59

As we can see there are Prime Factors common to both numbers: 3, 5

Now we need to multiply them to find GCF: 3 × 5 = 15

GCF Table

Number 1Number 2GCF
7588515
768851
778851
788853
798851
808855
818853
828851
838851
848853
858855
868851
878853
888851
898851
9088515
918851
928851
938853
948851
958855
968853
978851
988851
998853
1008855
1018851
1028853
1038851
1048851

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 885? (The answer is: 15). Select the first number (e.g. '90') and the second number (e.g. '885'). 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 885?

GCF of 90 and 885 is 15