Greatest Common Factor of 84, 21, 64, 450

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

• Greatest Common Factor of 84, 21, 64, 450 by common division method
• Greatest Common Factor of 84, 21, 64, 450 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 21

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

1,3,7,21

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 450

List of positive integer factors of 450 that divides 450 without a remainder.

1,2,3,5,6,9,10,15,18,25,30,45,50,75,90,150,225,450

Greatest Common Factor

We found the factors 84,21,64,450 . The biggest common factor number is the GCF number.
So the greatest common factor 84,21,64,450 is 1.

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

• GCF of 76, 90, 54, 428
• GCF of 79, 15, 56, 221
• GCF of 63, 32, 99, 211
• GCF of 57, 72, 55, 472
• GCF of 26, 91, 68, 466

1. What is the GCF of 84, 21, 64, 450?

Answer: GCF of 84, 21, 64, 450 is 1.

2. How to Find the GCF of 84, 21, 64, 450

Answer: Greatest Common Factor(GCF) of 84, 21, 64, 450 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 21, 64, 450) = 1.