Greatest Common Factor of 42, 623, 780

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

• Greatest Common Factor of 42, 623, 780 by common division method
• Greatest Common Factor of 42, 623, 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 623

List of positive integer factors of 623 that divides 623 without a remainder.

1,7,89,623

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 42,623,780 . The biggest common factor number is the GCF number.
So the greatest common factor 42,623,780 is 1.

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

• GCF of 80, 115, 876
• GCF of 97, 332, 596
• GCF of 31, 789, 290
• GCF of 94, 752, 948
• GCF of 78, 774, 267

1. What is the GCF of 42, 623, 780?

Answer: GCF of 42, 623, 780 is 1.

2. How to Find the GCF of 42, 623, 780

Answer: Greatest Common Factor(GCF) of 42, 623, 780 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 623, 780) = 1.