Greatest Common Factor of 390, 920, 66

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

• Greatest Common Factor of 390, 920, 66 by common division method
• Greatest Common Factor of 390, 920, 66 with matching the biggest common factor

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

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 920

List of positive integer factors of 920 that divides 920 without a remainder.

1,2,4,5,8,10,20,23,40,46,92,115,184,230,460,920

Factors of 66

List of positive integer factors of 66 that divides 66 without a remainder.

1,2,3,6,11,22,33,66

Greatest Common Factor

We found the factors 390,920,66 . The biggest common factor number is the GCF number.
So the greatest common factor 390,920,66 is 2.

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

• GCF of 623, 346, 55
• GCF of 359, 788, 13
• GCF of 114, 107, 97
• GCF of 369, 336, 19
• GCF of 744, 507, 85

1. What is the GCF of 390, 920, 66?

Answer: GCF of 390, 920, 66 is 2.

2. How to Find the GCF of 390, 920, 66

Answer: Greatest Common Factor(GCF) of 390, 920, 66 = 2

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

Step 2: Then multiply all the prime factors GCF(390, 920, 66) = 2.