Greatest Common Factor of 38, 30, 46, 646

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

• Greatest Common Factor of 38, 30, 46, 646 by common division method
• Greatest Common Factor of 38, 30, 46, 646 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

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 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Greatest Common Factor

We found the factors 38,30,46,646 . The biggest common factor number is the GCF number.
So the greatest common factor 38,30,46,646 is 2.

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

• GCF of 35, 45, 97, 577
• GCF of 86, 78, 29, 911
• GCF of 72, 74, 11, 679
• GCF of 86, 38, 65, 694
• GCF of 61, 29, 23, 505

1. What is the GCF of 38, 30, 46, 646?

Answer: GCF of 38, 30, 46, 646 is 2.

2. How to Find the GCF of 38, 30, 46, 646

Answer: Greatest Common Factor(GCF) of 38, 30, 46, 646 = 2

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

Step 2: Then multiply all the prime factors GCF(38, 30, 46, 646) = 2.