Greatest Common Factor of 1220, 2520

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 1220, 2520 by common division method
• Greatest Common Factor of 1220, 2520 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 2 x 5 = 20

Factors of 1220

List of positive integer factors of 1220 that divides 1220 without a remainder.

1,2,4,5,10,20,61,122,244,305,610,1220

Factors of 2520

List of positive integer factors of 2520 that divides 2520 without a remainder.

1,2,3,4,5,6,7,8,9,10,12,14,15,18,20,21,24,28,30,35,36,40,42,45,56,60,63,70,72,84,90,105,120,126,140,168,180,210,252,280,315,360,420,504,630,840,1260,2520

Greatest Common Factor

We found the factors 1220,2520 . The biggest common factor number is the GCF number.
So the greatest common factor 1220,2520 is 20.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 7957, 6068
• GCF of 2824, 7830
• GCF of 8221, 1303
• GCF of 2248, 4334
• GCF of 6862, 8034

1. What is the GCF of 1220, 2520?

Answer: GCF of 1220, 2520 is 20.

2. How to Find the GCF of 1220, 2520

Answer: Greatest Common Factor(GCF) of 1220, 2520 = 20

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(1220, 2520) = 20.