GCF for 2 and 4

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 2 and 4?

Answer: GCF of 2 and 4 is 2

(Two)

Finding GCF for 2 and 4 using all factors (divisors) listing

The first method to find GCF for numbers 2 and 4 is to list all factors for both numbers and pick the highest common one:

All factors of 2: 1, 2

All factors of 4: 1, 2, 4

So the Greatest Common Factor for 2 and 4 is 2

Finding GCF for 2 and 4 by Prime Factorization

The second method to find GCF for numbers 2 and 4 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 2: 2

All Prime Factors of 4: 2, 2

As we can see there is only one Prime Factor common to both numbers. It is 2

So 2 is the Greatest Common Factor of 2 and 4

Related Calculations

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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 2 and 4? (The answer is: 2). Select the first number (e.g. '2') and the second number (e.g. '4'). 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
141
242
341
444
541
642
741
844
941
1042
1141
1244
1341
1442
1541
1644
1741
1842
1941
2044
2141
2242
2341
2444
2541
2642
2741
2844
2941
3042

FAQ

What is the Greatest common Divisor of 2 and 4?

GCF of 2 and 4 is 2

See Also