Greatest Common Factor of 780, 6840

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

• Greatest Common Factor of 780, 6840 by common division method
• Greatest Common Factor of 780, 6840 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 2 x 3 x 5 = 60

Factors of 780

List of positive integer factors of 780 that divides 780 without a remainder.

1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780

Factors of 6840

List of positive integer factors of 6840 that divides 6840 without a remainder.

1,2,3,4,5,6,8,9,10,12,15,18,19,20,24,30,36,38,40,45,57,60,72,76,90,95,114,120,152,171,180,190,228,285,342,360,380,456,570,684,760,855,1140,1368,1710,2280,3420,6840

Greatest Common Factor

We found the factors 780,6840 . The biggest common factor number is the GCF number.
So the greatest common factor 780,6840 is 60.

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

• GCF of 123, 4793
• GCF of 886, 2989
• GCF of 738, 6677
• GCF of 109, 2267
• GCF of 983, 3089

1. What is the GCF of 780, 6840?

Answer: GCF of 780, 6840 is 60.

2. How to Find the GCF of 780, 6840

Answer: Greatest Common Factor(GCF) of 780, 6840 = 60

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

Step 2: Then multiply all the prime factors GCF(780, 6840) = 60.