GCF (HCF) of 11 and 165

"Greatest Common Factor" Calculator

What is the Greatest Common Divisor of 11 and 165?

Answer

GCF (HCF) of 11 and 165 is

Common factors: 1, 11

11 divides 165 (165 ÷ 11 = 15), so the GCF is the smaller number itself.

11 — prime

165 = 3 × 5 × 11

Prime	11	165	Lowest power
3	—	3	—
5	—	5	—
11	11	11	11

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

GCF = 11

More with these numbers

Related Calculations

GCF Table

Number 1	Number 2	GCF
11	16	1
11	17	1
11	18	1
11	19	1
11	20	1
11	21	1
11	22	11
11	23	1
11	27	1
11	28	1
11	30	1
11	31	1
11	32	1
11	33	11
11	39	1
11	40	1
11	41	1
11	43	1
11	44	11
11	46	1
11	47	1
11	48	1
11	51	1
11	55	11
11	56	1
11	59	1
11	66	11
11	88	11
11	121	11
11	165	11

FAQ

What is the Greatest Common Divisor of 11 and 165?

GCF (HCF) of 11 and 165 is 11

How to find the GCF of 11 and 165?

You can find the GCF of 11 and 165 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 11 and 165 is 11.

What prime factors do 11 and 165 share?

The prime factorizations of 11 and 165 have 11 in common, and multiplying those shared primes gives 11 — exactly the greatest common factor.

How does the GCF reduce the fraction 11/165?

Divide the numerator and the denominator by the GCF 11: 11 ÷ 11 = 1 and 165 ÷ 11 = 15. So 11/165 in lowest terms is 1/15.

GCF (HCF) of 11 and 165

What is the Greatest Common Divisor of 11 and 165?

More with these numbers

Related Calculations

See Also

GCF Table

FAQ

What is the Greatest Common Divisor of 11 and 165?

How to find the GCF of 11 and 165?

What prime factors do 11 and 165 share?

How does the GCF reduce the fraction 11/165?

See Also

Number 1	Number 2	GCF
11	16	1
11	17	1
11	18	1
11	19	1
11	20	1
11	21	1
11	22	11
11	23	1
11	27	1
11	28	1
11	30	1
11	31	1
11	32	1
11	33	11
11	39	1
11	40	1
11	41	1
11	43	1
11	44	11
11	46	1
11	47	1
11	48	1
11	51	1
11	55	11
11	56	1
11	59	1
11	66	11
11	88	11
11	121	11
11	165	11

Number 1	Number 2	GCF
11	16	1
11	17	1
11	18	1
11	19	1
11	20	1
11	21	1
11	22	11
11	23	1
11	27	1
11	28	1
11	30	1
11	31	1
11	32	1
11	33	11
11	39	1
11	40	1
11	41	1
11	43	1
11	44	11
11	46	1
11	47	1
11	48	1
11	51	1
11	55	11
11	56	1
11	59	1
11	66	11
11	88	11
11	121	11
11	165	11

Number 1	Number 2	GCF
11	16	1
11	17	1
11	18	1
11	19	1
11	20	1
11	21	1
11	22	11
11	23	1
11	27	1
11	28	1
11	30	1
11	31	1
11	32	1
11	33	11
11	39	1
11	40	1
11	41	1
11	43	1
11	44	11
11	46	1
11	47	1
11	48	1
11	51	1
11	55	11
11	56	1
11	59	1
11	66	11
11	88	11
11	121	11
11	165	11