Greatest Common Factor of 64, 15, 505, 390

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

• Greatest Common Factor of 64, 15, 505, 390 by common division method
• Greatest Common Factor of 64, 15, 505, 390 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 15

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

1,3,5,15

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

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

Greatest Common Factor

We found the factors 64,15,505,390 . The biggest common factor number is the GCF number.
So the greatest common factor 64,15,505,390 is 1.

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

• GCF of 32, 98, 547, 270
• GCF of 85, 94, 178, 262
• GCF of 86, 53, 401, 551
• GCF of 78, 72, 455, 833
• GCF of 37, 27, 713, 637

1. What is the GCF of 64, 15, 505, 390?

Answer: GCF of 64, 15, 505, 390 is 1.

2. How to Find the GCF of 64, 15, 505, 390

Answer: Greatest Common Factor(GCF) of 64, 15, 505, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 15, 505, 390) = 1.