GCF (HCF) of 99 and 165

"Greatest Common Factor" Calculator

What is the Greatest Common Divisor of 99 and 165?

Answer

GCF (HCF) of 99 and 165 is

Common factors: 1, 3, 11, 33

33 divides both: 99 ÷ 33 = 3, 165 ÷ 33 = 5 — and 3 and 5 share no factor but 1, so no larger number divides both.

99 = 3² × 11

165 = 3 × 5 × 11

Prime	99	165	Lowest power
3	3²	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 = 3 × 11 = 33

More with these numbers

Related Calculations

GCF Table

Number 1	Number 2	GCF
99	150	3
99	151	1
99	152	1
99	153	9
99	154	11
99	155	1
99	156	3
99	157	1
99	158	1
99	159	3
99	160	1
99	161	1
99	162	9
99	163	1
99	164	1
99	165	33
99	166	1
99	167	1
99	168	3
99	169	1
99	170	1
99	171	9
99	172	1
99	173	1
99	174	3
99	175	1
99	176	11
99	177	3
99	178	1
99	179	1

FAQ

What is the Greatest Common Divisor of 99 and 165?

GCF (HCF) of 99 and 165 is 33

How to find the GCF of 99 and 165?

You can find the GCF of 99 and 165 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 99 and 165 is 33.

What prime factors do 99 and 165 share?

The prime factorizations of 99 and 165 have 3 × 11 in common, and multiplying those shared primes gives 33 — exactly the greatest common factor.

How does the GCF reduce the fraction 99/165?

Divide the numerator and the denominator by the GCF 33: 99 ÷ 33 = 3 and 165 ÷ 33 = 5. So 99/165 in lowest terms is 3/5.

GCF (HCF) of 99 and 165

What is the Greatest Common Divisor of 99 and 165?

More with these numbers

Related Calculations

See Also

GCF Table

FAQ

What is the Greatest Common Divisor of 99 and 165?

How to find the GCF of 99 and 165?

What prime factors do 99 and 165 share?

How does the GCF reduce the fraction 99/165?

See Also

Number 1	Number 2	GCF
99	150	3
99	151	1
99	152	1
99	153	9
99	154	11
99	155	1
99	156	3
99	157	1
99	158	1
99	159	3
99	160	1
99	161	1
99	162	9
99	163	1
99	164	1
99	165	33
99	166	1
99	167	1
99	168	3
99	169	1
99	170	1
99	171	9
99	172	1
99	173	1
99	174	3
99	175	1
99	176	11
99	177	3
99	178	1
99	179	1

Number 1	Number 2	GCF
99	150	3
99	151	1
99	152	1
99	153	9
99	154	11
99	155	1
99	156	3
99	157	1
99	158	1
99	159	3
99	160	1
99	161	1
99	162	9
99	163	1
99	164	1
99	165	33
99	166	1
99	167	1
99	168	3
99	169	1
99	170	1
99	171	9
99	172	1
99	173	1
99	174	3
99	175	1
99	176	11
99	177	3
99	178	1
99	179	1

Number 1	Number 2	GCF
99	150	3
99	151	1
99	152	1
99	153	9
99	154	11
99	155	1
99	156	3
99	157	1
99	158	1
99	159	3
99	160	1
99	161	1
99	162	9
99	163	1
99	164	1
99	165	33
99	166	1
99	167	1
99	168	3
99	169	1
99	170	1
99	171	9
99	172	1
99	173	1
99	174	3
99	175	1
99	176	11
99	177	3
99	178	1
99	179	1