Greatest Common Factor of 12, 61, 74, 489

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

• Greatest Common Factor of 12, 61, 74, 489 by common division method
• Greatest Common Factor of 12, 61, 74, 489 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 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 61

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

1,61

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 489

List of positive integer factors of 489 that divides 489 without a remainder.

1,3,163,489

Greatest Common Factor

We found the factors 12,61,74,489 . The biggest common factor number is the GCF number.
So the greatest common factor 12,61,74,489 is 1.

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

• GCF of 57, 49, 15, 135
• GCF of 66, 98, 20, 105
• GCF of 84, 79, 49, 184
• GCF of 92, 21, 38, 281
• GCF of 97, 48, 10, 407

1. What is the GCF of 12, 61, 74, 489?

Answer: GCF of 12, 61, 74, 489 is 1.

2. How to Find the GCF of 12, 61, 74, 489

Answer: Greatest Common Factor(GCF) of 12, 61, 74, 489 = 1

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

Step 2: Then multiply all the prime factors GCF(12, 61, 74, 489) = 1.