Greatest Common Factor of 438, 780, 47

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

• Greatest Common Factor of 438, 780, 47 by common division method
• Greatest Common Factor of 438, 780, 47 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 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

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 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Greatest Common Factor

We found the factors 438,780,47 . The biggest common factor number is the GCF number.
So the greatest common factor 438,780,47 is 1.

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

• GCF of 752, 879, 68
• GCF of 391, 529, 31
• GCF of 689, 461, 25
• GCF of 595, 460, 42
• GCF of 722, 947, 93

1. What is the GCF of 438, 780, 47?

Answer: GCF of 438, 780, 47 is 1.

2. How to Find the GCF of 438, 780, 47

Answer: Greatest Common Factor(GCF) of 438, 780, 47 = 1

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

Step 2: Then multiply all the prime factors GCF(438, 780, 47) = 1.