GCF for 90 and 960

What is the Greatest Common Factor of 90 and 960?

Answer: GCF of 90 and 960 is 30

(Thirty)

Finding GCF for 90 and 960 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 960 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 960: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960

So the Greatest Common Factor for 90 and 960 is 30

Finding GCF for 90 and 960 by Prime Factorization

The second method to find GCF for numbers 90 and 960 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 960: 2, 2, 2, 2, 2, 2, 3, 5

As we can see there are Prime Factors common to both numbers: 2, 3, 5

Now we need to multiply them to find GCF: 2 × 3 × 5 = 30

GCF Table

Number 1Number 2GCF
7596015
769604
779601
789606
799601
8096080
819603
829602
839601
8496012
859605
869602
879603
889608
899601
9096030
919601
929604
939603
949602
959605
9696096
979601
989602
999603
10096020
1019601
1029606
1039601
1049608

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 Factor of 90 and 960? (The answer is: 30). Select the first number (e.g. '90') and the second number (e.g. '960'). 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 Factor of 90 and 960?

GCF of 90 and 960 is 30