GCF (HCF) of 16 and 128

"Greatest Common Factor" Calculator

What is the Greatest Common Divisor of 16 and 128?

Answer

GCF (HCF) of 16 and 128 is

Common factors: 1, 2, 4, 8, 16

16 divides 128 (128 ÷ 16 = 8), so the GCF is the smaller number itself.

16 = 2⁴

128 = 2⁷

Prime	16	128	Lowest power
2	2⁴	2⁷	2⁴

GCF = 2⁴ = 16

More with these numbers

Related Calculations

GCF Table

Number 1	Number 2	GCF
16	36	4
16	38	2
16	39	1
16	40	8
16	42	2
16	43	1
16	44	4
16	45	1
16	46	2
16	48	16
16	49	1
16	50	2
16	53	1
16	54	2
16	55	1
16	56	8
16	58	2
16	60	4
16	64	16
16	72	8
16	80	16
16	81	1
16	84	4
16	90	2
16	96	16
16	100	4
16	112	16
16	120	8
16	121	1
16	128	16

FAQ

What is the Greatest Common Divisor of 16 and 128?

GCF (HCF) of 16 and 128 is 16

How to find the GCF of 16 and 128?

You can find the GCF of 16 and 128 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 16 and 128 is 16.

What prime factors do 16 and 128 share?

The prime factorizations of 16 and 128 have 2 × 2 × 2 × 2 in common, and multiplying those shared primes gives 16 — exactly the greatest common factor.

How does the GCF reduce the fraction 16/128?

Divide the numerator and the denominator by the GCF 16: 16 ÷ 16 = 1 and 128 ÷ 16 = 8. So 16/128 in lowest terms is 1/8.

GCF (HCF) of 16 and 128

What is the Greatest Common Divisor of 16 and 128?

More with these numbers

Related Calculations

See Also

GCF Table

FAQ

What is the Greatest Common Divisor of 16 and 128?

How to find the GCF of 16 and 128?

What prime factors do 16 and 128 share?

How does the GCF reduce the fraction 16/128?

See Also

Number 1	Number 2	GCF
16	36	4
16	38	2
16	39	1
16	40	8
16	42	2
16	43	1
16	44	4
16	45	1
16	46	2
16	48	16
16	49	1
16	50	2
16	53	1
16	54	2
16	55	1
16	56	8
16	58	2
16	60	4
16	64	16
16	72	8
16	80	16
16	81	1
16	84	4
16	90	2
16	96	16
16	100	4
16	112	16
16	120	8
16	121	1
16	128	16

Number 1	Number 2	GCF
16	36	4
16	38	2
16	39	1
16	40	8
16	42	2
16	43	1
16	44	4
16	45	1
16	46	2
16	48	16
16	49	1
16	50	2
16	53	1
16	54	2
16	55	1
16	56	8
16	58	2
16	60	4
16	64	16
16	72	8
16	80	16
16	81	1
16	84	4
16	90	2
16	96	16
16	100	4
16	112	16
16	120	8
16	121	1
16	128	16

Number 1	Number 2	GCF
16	36	4
16	38	2
16	39	1
16	40	8
16	42	2
16	43	1
16	44	4
16	45	1
16	46	2
16	48	16
16	49	1
16	50	2
16	53	1
16	54	2
16	55	1
16	56	8
16	58	2
16	60	4
16	64	16
16	72	8
16	80	16
16	81	1
16	84	4
16	90	2
16	96	16
16	100	4
16	112	16
16	120	8
16	121	1
16	128	16