Greatest Common Factor of 85, 30, 64, 428

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

• Greatest Common Factor of 85, 30, 64, 428 by common division method
• Greatest Common Factor of 85, 30, 64, 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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

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 85,30,64,428 . The biggest common factor number is the GCF number.
So the greatest common factor 85,30,64,428 is 1.

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

• GCF of 87, 57, 73, 317
• GCF of 91, 99, 41, 514
• GCF of 87, 20, 51, 938
• GCF of 12, 43, 58, 991
• GCF of 70, 22, 80, 322

1. What is the GCF of 85, 30, 64, 428?

Answer: GCF of 85, 30, 64, 428 is 1.

2. How to Find the GCF of 85, 30, 64, 428

Answer: Greatest Common Factor(GCF) of 85, 30, 64, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 30, 64, 428) = 1.