Greatest Common Factor of 30, 90, 57, 747

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

• Greatest Common Factor of 30, 90, 57, 747 by common division method
• Greatest Common Factor of 30, 90, 57, 747 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 = 3

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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 747

List of positive integer factors of 747 that divides 747 without a remainder.

1,3,9,83,249,747

Greatest Common Factor

We found the factors 30,90,57,747 . The biggest common factor number is the GCF number.
So the greatest common factor 30,90,57,747 is 3.

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

• GCF of 87, 18, 57, 931
• GCF of 79, 54, 97, 330
• GCF of 12, 74, 33, 836
• GCF of 61, 65, 46, 370
• GCF of 62, 35, 34, 780

1. What is the GCF of 30, 90, 57, 747?

Answer: GCF of 30, 90, 57, 747 is 3.

2. How to Find the GCF of 30, 90, 57, 747

Answer: Greatest Common Factor(GCF) of 30, 90, 57, 747 = 3

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

Step 2: Then multiply all the prime factors GCF(30, 90, 57, 747) = 3.