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GCF (HCF) of 36 and 3

"Greatest Common Factor" Calculator

What is the Greatest Common Divisor of 36 and 3?

Answer

GCF (HCF) of 36 and 3 is

3

Common factors: 1, 3

3 divides 36 (36 ÷ 3 = 12), so the GCF is the smaller number itself.

36 = 2² × 3²

3 — prime

Prime	36	3	Lowest power
2	2²	—	—
3	3²	3	3

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

GCF = 3

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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 36 and 3. The GCF of 36 and 3 is 3 — 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
36	3	3
36	18	18
36	24	12
36	27	9
36	28	4
36	37	1
36	38	2
36	39	3
36	40	4
36	42	6
36	43	1
36	44	4
36	45	9
36	46	2
36	47	1
36	48	12
36	49	1
36	50	2
36	51	3
36	53	1
36	54	18
36	55	1
36	56	4
36	59	1
36	60	12
36	63	9
36	64	4
36	66	6
36	80	4
36	81	9

FAQ

What is the Greatest Common Divisor of 36 and 3?

GCF (HCF) of 36 and 3 is 3

How to find the GCF of 36 and 3?

You can find the GCF of 36 and 3 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 36 and 3 is 3.

What prime factors do 36 and 3 share?

The prime factorizations of 36 and 3 have 3 in common, and multiplying those shared primes gives 3 — exactly the greatest common factor.

How does the GCF reduce the fraction 36/3?

Divide the numerator and the denominator by the GCF 3: 36 ÷ 3 = 12 and 3 ÷ 3 = 1. So 36/3 in lowest terms is 12/1.