Greatest Common Factor of 15, 30, 957, 942

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

• Greatest Common Factor of 15, 30, 957, 942 by common division method
• Greatest Common Factor of 15, 30, 957, 942 with matching the biggest common factor

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

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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 957

List of positive integer factors of 957 that divides 957 without a remainder.

1,3,11,29,33,87,319,957

Factors of 942

List of positive integer factors of 942 that divides 942 without a remainder.

1,2,3,6,157,314,471,942

Greatest Common Factor

We found the factors 15,30,957,942 . The biggest common factor number is the GCF number.
So the greatest common factor 15,30,957,942 is 3.

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

• GCF of 87, 22, 897, 639
• GCF of 72, 46, 311, 966
• GCF of 65, 23, 942, 549
• GCF of 97, 27, 189, 150
• GCF of 80, 98, 489, 168

1. What is the GCF of 15, 30, 957, 942?

Answer: GCF of 15, 30, 957, 942 is 3.

2. How to Find the GCF of 15, 30, 957, 942

Answer: Greatest Common Factor(GCF) of 15, 30, 957, 942 = 3

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

Step 2: Then multiply all the prime factors GCF(15, 30, 957, 942) = 3.