Greatest Common Factor of 10, 33, 21, 128

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

• Greatest Common Factor of 10, 33, 21, 128 by common division method
• Greatest Common Factor of 10, 33, 21, 128 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 33

List of positive integer factors of 33 that divides 33 without a remainder.

1,3,11,33

Factors of 21

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

1,3,7,21

Factors of 128

List of positive integer factors of 128 that divides 128 without a remainder.

1,2,4,8,16,32,64,128

Greatest Common Factor

We found the factors 10,33,21,128 . The biggest common factor number is the GCF number.
So the greatest common factor 10,33,21,128 is 1.

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

• GCF of 14, 25, 37, 347
• GCF of 43, 20, 60, 729
• GCF of 17, 33, 80, 986
• GCF of 11, 91, 27, 384
• GCF of 49, 65, 35, 193

1. What is the GCF of 10, 33, 21, 128?

Answer: GCF of 10, 33, 21, 128 is 1.

2. How to Find the GCF of 10, 33, 21, 128

Answer: Greatest Common Factor(GCF) of 10, 33, 21, 128 = 1

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

Step 2: Then multiply all the prime factors GCF(10, 33, 21, 128) = 1.