GCF (HCF) of 80 and 115

"Greatest Common Factor" Calculator

What is the Greatest Common Divisor of 80 and 115?

Answer

GCF (HCF) of 80 and 115 is

Common factors: 1, 5

5 divides both: 80 ÷ 5 = 16, 115 ÷ 5 = 23 — and 16 and 23 share no factor but 1, so no larger number divides both.

80 = 2⁴ × 5

115 = 5 × 23

Prime	80	115	Lowest power
2	2⁴	—	—
5	5	5	5
23	—	23	—

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

GCF = 5

More with these numbers

Related Calculations

GCF Table

Number 1	Number 2	GCF
80	20	20
80	84	4
80	90	10
80	96	16
80	100	20
80	110	10
80	112	16
80	115	5
80	120	40
80	125	5
80	140	20
80	144	16
80	155	5
80	165	5
80	180	20
80	185	5
80	190	10
80	200	40
80	215	5
80	225	5
80	265	5
80	275	5
80	285	5
80	300	20
80	305	5
80	310	10
80	325	5
80	330	10
80	355	5
80	360	40

FAQ

What is the Greatest Common Divisor of 80 and 115?

GCF (HCF) of 80 and 115 is 5

How to find the GCF of 80 and 115?

You can find the GCF of 80 and 115 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 80 and 115 is 5.

What prime factors do 80 and 115 share?

The prime factorizations of 80 and 115 have 5 in common, and multiplying those shared primes gives 5 — exactly the greatest common factor.

How does the GCF reduce the fraction 80/115?

Divide the numerator and the denominator by the GCF 5: 80 ÷ 5 = 16 and 115 ÷ 5 = 23. So 80/115 in lowest terms is 16/23.

GCF (HCF) of 80 and 115

What is the Greatest Common Divisor of 80 and 115?

More with these numbers

Related Calculations

See Also

GCF Table

FAQ

What is the Greatest Common Divisor of 80 and 115?

How to find the GCF of 80 and 115?

What prime factors do 80 and 115 share?

How does the GCF reduce the fraction 80/115?

See Also

Number 1	Number 2	GCF
80	20	20
80	84	4
80	90	10
80	96	16
80	100	20
80	110	10
80	112	16
80	115	5
80	120	40
80	125	5
80	140	20
80	144	16
80	155	5
80	165	5
80	180	20
80	185	5
80	190	10
80	200	40
80	215	5
80	225	5
80	265	5
80	275	5
80	285	5
80	300	20
80	305	5
80	310	10
80	325	5
80	330	10
80	355	5
80	360	40

Number 1	Number 2	GCF
80	20	20
80	84	4
80	90	10
80	96	16
80	100	20
80	110	10
80	112	16
80	115	5
80	120	40
80	125	5
80	140	20
80	144	16
80	155	5
80	165	5
80	180	20
80	185	5
80	190	10
80	200	40
80	215	5
80	225	5
80	265	5
80	275	5
80	285	5
80	300	20
80	305	5
80	310	10
80	325	5
80	330	10
80	355	5
80	360	40

Number 1	Number 2	GCF
80	20	20
80	84	4
80	90	10
80	96	16
80	100	20
80	110	10
80	112	16
80	115	5
80	120	40
80	125	5
80	140	20
80	144	16
80	155	5
80	165	5
80	180	20
80	185	5
80	190	10
80	200	40
80	215	5
80	225	5
80	265	5
80	275	5
80	285	5
80	300	20
80	305	5
80	310	10
80	325	5
80	330	10
80	355	5
80	360	40