Greatest Common Factor of 99, 61, 30, 428

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

• Greatest Common Factor of 99, 61, 30, 428 by common division method
• Greatest Common Factor of 99, 61, 30, 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 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

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 99,61,30,428 . The biggest common factor number is the GCF number.
So the greatest common factor 99,61,30,428 is 1.

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

• GCF of 49, 45, 86, 240
• GCF of 22, 29, 90, 832
• GCF of 24, 43, 24, 559
• GCF of 80, 64, 64, 754
• GCF of 94, 85, 39, 596

1. What is the GCF of 99, 61, 30, 428?

Answer: GCF of 99, 61, 30, 428 is 1.

2. How to Find the GCF of 99, 61, 30, 428

Answer: Greatest Common Factor(GCF) of 99, 61, 30, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(99, 61, 30, 428) = 1.