Feedback form

GCF for 2, 7 and 11

"Greatest Common Factor of 3 Numbers" Calculator

What's the Greatest Common Factor (GCF) of 2, 7 and 11?

Answer

GCF of 2, 7 and 11 is

1

Common factors: 1

Only 1 divides all three: no prime is a factor of each of 2, 7 and 11.

The three numbers are pairwise coprime: no two of them share a factor other than 1.

2 — prime

7 — prime

11 — prime

Prime	2	7	11	Lowest power
2	2	—	—	—
7	—	7	—	—
11	—	—	11	—

— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.

GCF = 1

More with these numbers

Found an error in the calculation or the information?

Related Calculations

See Also

Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers

Share This Calculation

Print

https://calculat.io/en/number/greatest-common-factor-of-3-numbers/2--7--11

<a href="https://calculat.io/en/number/greatest-common-factor-of-3-numbers/2--7--11">What is the GCF of 2, 7 and 11? - Calculatio</a>

Facebook

Twitter

Telegram

WhatsApp

Viber

Email

What is the GCF of 2, 7 and 11? The GCF of 2, 7 and 11 is 1 — the largest number that divides all three with no remainder. Step-by-step solution for three numbers.

https://calculat.io/en/number/greatest-common-factor-of-3-numbers/2--7--11/generated.jpg

GCF Table

1st	2nd	3rd	GCF
1	2	7	1
2	2	7	1
2	3	7	1
2	4	7	1
2	5	7	1
2	6	7	1
2	7	7	1
2	7	8	1
2	7	9	1
2	7	10	1
2	7	11	1
2	7	12	1
2	7	13	1
2	7	14	1
2	7	15	1
2	7	16	1
2	7	17	1
2	7	18	1
2	7	19	1
2	7	20	1
2	7	21	1
2	7	22	1
2	7	23	1
2	7	24	1
2	7	25	1
2	7	26	1
2	7	27	1
2	7	28	1
2	7	29	1
2	7	30	1

FAQ

What's the Greatest Common Factor (GCF) of 2, 7 and 11?

GCF of 2, 7 and 11 is 1

What prime factors do 2, 7 and 11 share?

None at all: 2, 7 and 11 have no prime factor in common, so the only positive integer dividing all three is 1 and their GCF is 1.

Can you get the GCF of 2, 7 and 11 two numbers at a time?

Yes. The GCF of 2 and 7 is 1, and the GCF of 1 and 11 is 1 — the same answer, because the greatest common factor is associative and does not depend on the order of the three numbers.

How does the GCF simplify the ratio 2 : 7 : 11?

Divide every term by the GCF 1: 2 ÷ 1 = 2, 7 ÷ 1 = 7 and 11 ÷ 1 = 11. So 2 : 7 : 11 in lowest terms is 2 : 7 : 11, and no whole number other than 1 divides all three of those.