GCF for 90 and 735

What is the Greatest common Divisor of 90 and 735?

Answer: GCF of 90 and 735 is 15

(Fifteen)

Finding GCF for 90 and 735 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 735 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 735: 1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735

So the Greatest Common Factor for 90 and 735 is 15

Finding GCF for 90 and 735 by Prime Factorization

The second method to find GCF for numbers 90 and 735 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 735: 3, 5, 7, 7

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
7573515
767351
777357
787353
797351
807355
817353
827351
837351
8473521
857355
867351
877353
887351
897351
9073515
917357
927351
937353
947351
957355
967353
977351
9873549
997353
1007355
1017351
1027353
1037351
1047351

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 735? (The answer is: 15). Select the first number (e.g. '90') and the second number (e.g. '735'). 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 735?

GCF of 90 and 735 is 15