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GCF (HCF) of 43 and 48

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What is the Greatest Common Divisor of 43 and 48?

Answer

GCF (HCF) of 43 and 48 is

1

Common factors: 1

Only 1 divides both: 43 and 48 share no prime factor.

Such numbers are called coprime (relatively prime); their LCM is just the product: 43 × 48 = 2,064.

43 — prime

48 = 2⁴ × 3

Prime	43	48	Lowest power
2	—	2⁴	—
3	—	3	—
43	43	—	—

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

GCF = 1

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See Also

Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers

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What is the GCF (HCF) of 43 and 48. The GCF of 43 and 48 is 1 — the biggest number that can divide both integers. Step-by-step GCF (GCD) calculation by factoring.

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GCF Table

Number 1	Number 2	GCF
43	33	1
43	34	1
43	35	1
43	36	1
43	37	1
43	38	1
43	39	1
43	40	1
43	41	1
43	42	1
43	43	43
43	44	1
43	45	1
43	46	1
43	47	1
43	48	1
43	49	1
43	50	1
43	51	1
43	52	1
43	53	1
43	54	1
43	55	1
43	56	1
43	57	1
43	58	1
43	59	1
43	60	1
43	61	1
43	62	1

FAQ

What is the Greatest Common Divisor of 43 and 48?

GCF (HCF) of 43 and 48 is 1

How to find the GCF of 43 and 48?

You can find the GCF of 43 and 48 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 43 and 48 is 1.

What prime factors do 43 and 48 share?

43 and 48 have no prime factor in common, so the only integer that divides both of them is 1 and their GCF is 1.

How does the GCF reduce the fraction 43/48?

Divide the numerator and the denominator by the GCF 1: 43 ÷ 1 = 43 and 48 ÷ 1 = 48. So 43/48 in lowest terms is 43/48.

Are 43 and 48 coprime?

Yes, 43 and 48 are coprime (relatively prime) because their Greatest Common Factor is 1.