Greatest Common Factor of 84, 17, 51, 428

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

• Greatest Common Factor of 84, 17, 51, 428 by common division method
• Greatest Common Factor of 84, 17, 51, 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 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

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 84,17,51,428 . The biggest common factor number is the GCF number.
So the greatest common factor 84,17,51,428 is 1.

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

• GCF of 16, 32, 44, 634
• GCF of 63, 48, 67, 765
• GCF of 58, 79, 44, 475
• GCF of 80, 20, 50, 808
• GCF of 98, 73, 85, 570

1. What is the GCF of 84, 17, 51, 428?

Answer: GCF of 84, 17, 51, 428 is 1.

2. How to Find the GCF of 84, 17, 51, 428

Answer: Greatest Common Factor(GCF) of 84, 17, 51, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 17, 51, 428) = 1.