Greatest Common Factor of 560, 561, 390

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

• Greatest Common Factor of 560, 561, 390 by common division method
• Greatest Common Factor of 560, 561, 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 560

List of positive integer factors of 560 that divides 560 without a remainder.

1,2,4,5,7,8,10,14,16,20,28,35,40,56,70,80,112,140,280,560

Factors of 561

List of positive integer factors of 561 that divides 561 without a remainder.

1,3,11,17,33,51,187,561

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 560,561,390 . The biggest common factor number is the GCF number.
So the greatest common factor 560,561,390 is 1.

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

• GCF of 833, 502, 495
• GCF of 659, 618, 292
• GCF of 771, 599, 127
• GCF of 842, 176, 713
• GCF of 878, 431, 304

1. What is the GCF of 560, 561, 390?

Answer: GCF of 560, 561, 390 is 1.

2. How to Find the GCF of 560, 561, 390

Answer: Greatest Common Factor(GCF) of 560, 561, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(560, 561, 390) = 1.