GCF (HCF) of 77 and 88

"Greatest Common Factor" Calculator

What is the Greatest Common Divisor of 77 and 88?

Answer

GCF (HCF) of 77 and 88 is

Common factors: 1, 11

11 divides both: 77 ÷ 11 = 7, 88 ÷ 11 = 8 — and 7 and 8 share no factor but 1, so no larger number divides both.

77 = 7 × 11

88 = 2³ × 11

Prime	77	88	Lowest power
2	—	2³	—
7	7	—	—
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
77	73	1
77	74	1
77	75	1
77	76	1
77	77	77
77	78	1
77	79	1
77	80	1
77	81	1
77	82	1
77	83	1
77	84	7
77	85	1
77	86	1
77	87	1
77	88	11
77	89	1
77	90	1
77	91	7
77	92	1
77	93	1
77	94	1
77	95	1
77	96	1
77	97	1
77	98	7
77	99	11
77	100	1
77	101	1
77	102	1

FAQ

What is the Greatest Common Divisor of 77 and 88?

GCF (HCF) of 77 and 88 is 11

How to find the GCF of 77 and 88?

You can find the GCF of 77 and 88 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 77 and 88 is 11.

What prime factors do 77 and 88 share?

The prime factorizations of 77 and 88 have 11 in common, and multiplying those shared primes gives 11 — exactly the greatest common factor.

How does the GCF reduce the fraction 77/88?

Divide the numerator and the denominator by the GCF 11: 77 ÷ 11 = 7 and 88 ÷ 11 = 8. So 77/88 in lowest terms is 7/8.

GCF (HCF) of 77 and 88

What is the Greatest Common Divisor of 77 and 88?

More with these numbers

Related Calculations

See Also

GCF Table

FAQ

What is the Greatest Common Divisor of 77 and 88?

How to find the GCF of 77 and 88?

What prime factors do 77 and 88 share?

How does the GCF reduce the fraction 77/88?

See Also

Number 1	Number 2	GCF
77	73	1
77	74	1
77	75	1
77	76	1
77	77	77
77	78	1
77	79	1
77	80	1
77	81	1
77	82	1
77	83	1
77	84	7
77	85	1
77	86	1
77	87	1
77	88	11
77	89	1
77	90	1
77	91	7
77	92	1
77	93	1
77	94	1
77	95	1
77	96	1
77	97	1
77	98	7
77	99	11
77	100	1
77	101	1
77	102	1

Number 1	Number 2	GCF
77	73	1
77	74	1
77	75	1
77	76	1
77	77	77
77	78	1
77	79	1
77	80	1
77	81	1
77	82	1
77	83	1
77	84	7
77	85	1
77	86	1
77	87	1
77	88	11
77	89	1
77	90	1
77	91	7
77	92	1
77	93	1
77	94	1
77	95	1
77	96	1
77	97	1
77	98	7
77	99	11
77	100	1
77	101	1
77	102	1

Number 1	Number 2	GCF
77	73	1
77	74	1
77	75	1
77	76	1
77	77	77
77	78	1
77	79	1
77	80	1
77	81	1
77	82	1
77	83	1
77	84	7
77	85	1
77	86	1
77	87	1
77	88	11
77	89	1
77	90	1
77	91	7
77	92	1
77	93	1
77	94	1
77	95	1
77	96	1
77	97	1
77	98	7
77	99	11
77	100	1
77	101	1
77	102	1