Greatest Common Factor of 420, 293, 780

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

• Greatest Common Factor of 420, 293, 780 by common division method
• Greatest Common Factor of 420, 293, 780 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 293

List of positive integer factors of 293 that divides 293 without a remainder.

1,293

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

Greatest Common Factor

We found the factors 420,293,780 . The biggest common factor number is the GCF number.
So the greatest common factor 420,293,780 is 1.

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

• GCF of 145, 157, 713
• GCF of 239, 847, 173
• GCF of 675, 572, 190
• GCF of 385, 164, 623
• GCF of 184, 791, 949

1. What is the GCF of 420, 293, 780?

Answer: GCF of 420, 293, 780 is 1.

2. How to Find the GCF of 420, 293, 780

Answer: Greatest Common Factor(GCF) of 420, 293, 780 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 293, 780) = 1.