GCF for 80 and 105

"Greatest Common Factor" Calculator

What is the Greatest common Divisor of 80 and 105?

Answer: GCF of 80 and 105 is 5

(Five)

Finding GCF for 80 and 105 using all factors (divisors) listing

The first method to find GCF for numbers 80 and 105 is to list all factors for both numbers and pick the highest common one:

All factors of 80: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

All factors of 105: 1, 3, 5, 7, 15, 21, 35, 105

So the Greatest Common Factor for 80 and 105 is 5

Finding GCF for 80 and 105 by Prime Factorization

The second method to find GCF for numbers 80 and 105 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 80: 2, 2, 2, 2, 5

All Prime Factors of 105: 3, 5, 7

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 80 and 105

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What is the GCF of 80 and 105. Find the GCF (GCD) of 105 and 80 - the biggest number that can divide two integers.

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GCF Table

Number 1	Number 2	GCF
65	105	5
66	105	3
67	105	1
68	105	1
69	105	3
70	105	35
71	105	1
72	105	3
73	105	1
74	105	1
75	105	15
76	105	1
77	105	7
78	105	3
79	105	1
80	105	5
81	105	3
82	105	1
83	105	1
84	105	21
85	105	5
86	105	1
87	105	3
88	105	1
89	105	1
90	105	15
91	105	7
92	105	1
93	105	3
94	105	1

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 80 and 105? (The answer is: 5). Select the first number (e.g. '80') and the second number (e.g. '105'). 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

Number 1	Number 2	GCF
65	105	5
66	105	3
67	105	1
68	105	1
69	105	3
70	105	35
71	105	1
72	105	3
73	105	1
74	105	1
75	105	15
76	105	1
77	105	7
78	105	3
79	105	1
80	105	5
81	105	3
82	105	1
83	105	1
84	105	21
85	105	5
86	105	1
87	105	3
88	105	1
89	105	1
90	105	15
91	105	7
92	105	1
93	105	3
94	105	1

Number 1	Number 2	GCF
65	105	5
66	105	3
67	105	1
68	105	1
69	105	3
70	105	35
71	105	1
72	105	3
73	105	1
74	105	1
75	105	15
76	105	1
77	105	7
78	105	3
79	105	1
80	105	5
81	105	3
82	105	1
83	105	1
84	105	21
85	105	5
86	105	1
87	105	3
88	105	1
89	105	1
90	105	15
91	105	7
92	105	1
93	105	3
94	105	1

GCF for 80 and 105

What is the Greatest common Divisor of 80 and 105?

Finding GCF for 80 and 105 using all factors (divisors) listing

Finding GCF for 80 and 105 by Prime Factorization

Related Calculations

GCF Table

About "Greatest Common Factor" Calculator

"Greatest Common Factor" Calculator

FAQ

What is the Greatest common Divisor of 80 and 105?

Number 1	Number 2	GCF
65	105	5
66	105	3
67	105	1
68	105	1
69	105	3
70	105	35
71	105	1
72	105	3
73	105	1
74	105	1
75	105	15
76	105	1
77	105	7
78	105	3
79	105	1
80	105	5
81	105	3
82	105	1
83	105	1
84	105	21
85	105	5
86	105	1
87	105	3
88	105	1
89	105	1
90	105	15
91	105	7
92	105	1
93	105	3
94	105	1