GCF (HCF) of 10 and 40

"Greatest Common Factor" Calculator

What is the Greatest Common Divisor of 10 and 40?

Answer

GCF (HCF) of 10 and 40 is

Common factors: 1, 2, 5, 10

10 divides 40 (40 ÷ 10 = 4), so the GCF is the smaller number itself.

10 = 2 × 5

40 = 2³ × 5

Prime	10	40	Lowest power
2	2	2³	2
5	5	5	5

GCF = 2 × 5 = 10

More with these numbers

Related Calculations

GCF Table

Number 1	Number 2	GCF
10	23	1
10	24	2
10	25	5
10	26	2
10	27	1
10	28	2
10	29	1
10	30	10
10	32	2
10	33	1
10	34	2
10	35	5
10	36	2
10	38	2
10	39	1
10	40	10
10	43	1
10	44	2
10	45	5
10	50	10
10	51	1
10	52	2
10	55	5
10	56	2
10	59	1
10	60	10
10	65	5
10	70	10
10	75	5
10	80	10

FAQ

What is the Greatest Common Divisor of 10 and 40?

GCF (HCF) of 10 and 40 is 10

How to find the GCF of 10 and 40?

You can find the GCF of 10 and 40 by listing all factors of both numbers and picking the greatest common one, or by prime factorization. The GCF of 10 and 40 is 10.

What prime factors do 10 and 40 share?

The prime factorizations of 10 and 40 have 2 × 5 in common, and multiplying those shared primes gives 10 — exactly the greatest common factor.

How does the GCF reduce the fraction 10/40?

Divide the numerator and the denominator by the GCF 10: 10 ÷ 10 = 1 and 40 ÷ 10 = 4. So 10/40 in lowest terms is 1/4.

GCF (HCF) of 10 and 40

What is the Greatest Common Divisor of 10 and 40?

More with these numbers

Related Calculations

See Also

GCF Table

FAQ

What is the Greatest Common Divisor of 10 and 40?

How to find the GCF of 10 and 40?

What prime factors do 10 and 40 share?

How does the GCF reduce the fraction 10/40?

See Also

Number 1	Number 2	GCF
10	23	1
10	24	2
10	25	5
10	26	2
10	27	1
10	28	2
10	29	1
10	30	10
10	32	2
10	33	1
10	34	2
10	35	5
10	36	2
10	38	2
10	39	1
10	40	10
10	43	1
10	44	2
10	45	5
10	50	10
10	51	1
10	52	2
10	55	5
10	56	2
10	59	1
10	60	10
10	65	5
10	70	10
10	75	5
10	80	10

Number 1	Number 2	GCF
10	23	1
10	24	2
10	25	5
10	26	2
10	27	1
10	28	2
10	29	1
10	30	10
10	32	2
10	33	1
10	34	2
10	35	5
10	36	2
10	38	2
10	39	1
10	40	10
10	43	1
10	44	2
10	45	5
10	50	10
10	51	1
10	52	2
10	55	5
10	56	2
10	59	1
10	60	10
10	65	5
10	70	10
10	75	5
10	80	10

Number 1	Number 2	GCF
10	23	1
10	24	2
10	25	5
10	26	2
10	27	1
10	28	2
10	29	1
10	30	10
10	32	2
10	33	1
10	34	2
10	35	5
10	36	2
10	38	2
10	39	1
10	40	10
10	43	1
10	44	2
10	45	5
10	50	10
10	51	1
10	52	2
10	55	5
10	56	2
10	59	1
10	60	10
10	65	5
10	70	10
10	75	5
10	80	10