GCF for 45 and 93

What is the Greatest common Divisor of 45 and 93?

Answer: GCF of 45 and 93 is 3

(Three)

Finding GCF for 45 and 93 using all factors (divisors) listing

The first method to find GCF for numbers 45 and 93 is to list all factors for both numbers and pick the highest common one:

All factors of 45: 1, 3, 5, 9, 15, 45

All factors of 93: 1, 3, 31, 93

So the Greatest Common Factor for 45 and 93 is 3

Finding GCF for 45 and 93 by Prime Factorization

The second method to find GCF for numbers 45 and 93 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 45: 3, 3, 5

All Prime Factors of 93: 3, 31

As we can see there is only one Prime Factor common to both numbers. It is 3

So 3 is the Greatest Common Factor of 45 and 93

Related Calculations

GCF Table

Number 1Number 2GCF
30933
3193
32931
33933
34931
35931
36933
37931
38931
39933
40931
41931
42933
43931
44931
45933
46931
47931
4893
49931
50931
51933
52931
53931
54933
55931
56931
57933
58931
59931

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 45 and 93? (The answer is: 3). Select the first number (e.g. '45') and the second number (e.g. '93'). 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 45 and 93?

GCF of 45 and 93 is 3