GCF for 45 and 98

What is the Greatest common Divisor of 45 and 98?

Answer: GCF of 45 and 98 is 1

(One)

Finding GCF for 45 and 98 using all factors (divisors) listing

The first method to find GCF for numbers 45 and 98 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 98: 1, 2, 7, 14, 49, 98

So the Greatest Common Factor for 45 and 98 is 1

Finding GCF for 45 and 98 by Prime Factorization

See Also

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 98? (The answer is: 1). Select the first number (e.g. '45') and the second number (e.g. '98'). 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

GCF Table

Number 1Number 2GCF
30982
31981
32982
33981
34982
35987
36982
37981
38982
39981
40982
41981
4298
43981
44982
4598
46982
47981
48982
4998
50982
51981
52982
53981
54982
55981
5698
57981
58982
59981

FAQ

What is the Greatest common Divisor of 45 and 98?

GCF of 45 and 98 is 1