GCF for 70 and 98

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 70 and 98?

Answer: GCF of 70 and 98 is 14

(Fourteen)

Finding GCF for 70 and 98 using all factors (divisors) listing

The first method to find GCF for numbers 70 and 98 is to list all factors for both numbers and pick the highest common one:

All factors of 70: 1, 2, 5, 7, 10, 14, 35, 70

All factors of 98: 1, 2, 7, 14, 49, 98

So the Greatest Common Factor for 70 and 98 is 14

Finding GCF for 70 and 98 by Prime Factorization

The second method to find GCF for numbers 70 and 98 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 70: 2, 5, 7

All Prime Factors of 98: 2, 7, 7

As we can see there are Prime Factors common to both numbers: 2, 7

Now we need to multiply them to find GCF: 2 × 7 = 14

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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 70 and 98? (The answer is: 14). Select the first number (e.g. '70') 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

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
55981
569814
57981
58982
59981
60982
61981
62982
63987
64982
65981
66982
67981
68982
69981
709814
71981
72982
73981
74982
75981
76982
77987
78982
79981
80982
81981
82982
83981
849814

FAQ

What is the Greatest common Divisor of 70 and 98?

GCF of 70 and 98 is 14

See Also