Greatest Common Factor of 98, 78, 67, 780

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

• Greatest Common Factor of 98, 78, 67, 780 by common division method
• Greatest Common Factor of 98, 78, 67, 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 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 67

List of positive integer factors of 67 that divides 67 without a remainder.

1,67

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 98,78,67,780 . The biggest common factor number is the GCF number.
So the greatest common factor 98,78,67,780 is 1.

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

• GCF of 18, 33, 45, 267
• GCF of 51, 42, 48, 413
• GCF of 77, 15, 37, 580
• GCF of 53, 14, 77, 697
• GCF of 74, 67, 28, 685

1. What is the GCF of 98, 78, 67, 780?

Answer: GCF of 98, 78, 67, 780 is 1.

2. How to Find the GCF of 98, 78, 67, 780

Answer: Greatest Common Factor(GCF) of 98, 78, 67, 780 = 1

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

Step 2: Then multiply all the prime factors GCF(98, 78, 67, 780) = 1.