Greatest Common Factor of 420, 783, 872

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

• Greatest Common Factor of 420, 783, 872 by common division method
• Greatest Common Factor of 420, 783, 872 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 783

List of positive integer factors of 783 that divides 783 without a remainder.

1,3,9,27,29,87,261,783

Factors of 872

List of positive integer factors of 872 that divides 872 without a remainder.

1,2,4,8,109,218,436,872

Greatest Common Factor

We found the factors 420,783,872 . The biggest common factor number is the GCF number.
So the greatest common factor 420,783,872 is 1.

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

• GCF of 232, 419, 605
• GCF of 484, 459, 453
• GCF of 410, 883, 427
• GCF of 579, 521, 799
• GCF of 272, 455, 426

1. What is the GCF of 420, 783, 872?

Answer: GCF of 420, 783, 872 is 1.

2. How to Find the GCF of 420, 783, 872

Answer: Greatest Common Factor(GCF) of 420, 783, 872 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 783, 872) = 1.