Greatest Common Factor of 78, 73, 25, 428

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

• Greatest Common Factor of 78, 73, 25, 428 by common division method
• Greatest Common Factor of 78, 73, 25, 428 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 78

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

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

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Greatest Common Factor

We found the factors 78,73,25,428 . The biggest common factor number is the GCF number.
So the greatest common factor 78,73,25,428 is 1.

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

• GCF of 11, 30, 32, 498
• GCF of 89, 55, 90, 552
• GCF of 55, 80, 47, 786
• GCF of 25, 64, 23, 502
• GCF of 87, 10, 49, 293

1. What is the GCF of 78, 73, 25, 428?

Answer: GCF of 78, 73, 25, 428 is 1.

2. How to Find the GCF of 78, 73, 25, 428

Answer: Greatest Common Factor(GCF) of 78, 73, 25, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 73, 25, 428) = 1.