Greatest Common Factor of 990, 426, 128, 613, 678

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

• Greatest Common Factor of 990, 426, 128, 613, 678 by common division method
• Greatest Common Factor of 990, 426, 128, 613, 678 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 990

List of positive integer factors of 990 that divides 990 without a remainder.

1,2,3,5,6,9,10,11,15,18,22,30,33,45,55,66,90,99,110,165,198,330,495,990

Factors of 426

List of positive integer factors of 426 that divides 426 without a remainder.

1,2,3,6,71,142,213,426

Factors of 128

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

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

Factors of 613

List of positive integer factors of 613 that divides 613 without a remainder.

1,613

Factors of 678

List of positive integer factors of 678 that divides 678 without a remainder.

1,2,3,6,113,226,339,678

Greatest Common Factor

We found the factors 990,426,128,613,678 . The biggest common factor number is the GCF number.
So the greatest common factor 990,426,128,613,678 is 1.

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

• GCF of 433, 609, 241, 531, 760
• GCF of 561, 113, 649, 999, 404
• GCF of 344, 366, 763, 200, 173
• GCF of 826, 319, 999, 895, 782
• GCF of 337, 840, 908, 191, 417

1. What is the GCF of 990, 426, 128, 613, 678?

Answer: GCF of 990, 426, 128, 613, 678 is 1.

2. How to Find the GCF of 990, 426, 128, 613, 678

Answer: Greatest Common Factor(GCF) of 990, 426, 128, 613, 678 = 1

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

Step 2: Then multiply all the prime factors GCF(990, 426, 128, 613, 678) = 1.