Greatest Common Factor of 28, 43, 84, 21, 350

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

• Greatest Common Factor of 28, 43, 84, 21, 350 by common division method
• Greatest Common Factor of 28, 43, 84, 21, 350 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 43

List of positive integer factors of 43 that divides 43 without a remainder.

1,43

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 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 350

List of positive integer factors of 350 that divides 350 without a remainder.

1,2,5,7,10,14,25,35,50,70,175,350

Greatest Common Factor

We found the factors 28,43,84,21,350 . The biggest common factor number is the GCF number.
So the greatest common factor 28,43,84,21,350 is 1.

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

• GCF of 71, 87, 42, 62, 951
• GCF of 98, 50, 15, 94, 776
• GCF of 10, 92, 38, 39, 897
• GCF of 37, 74, 96, 16, 253
• GCF of 13, 22, 10, 11, 984

1. What is the GCF of 28, 43, 84, 21, 350?

Answer: GCF of 28, 43, 84, 21, 350 is 1.

2. How to Find the GCF of 28, 43, 84, 21, 350

Answer: Greatest Common Factor(GCF) of 28, 43, 84, 21, 350 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 43, 84, 21, 350) = 1.