Greatest Common Factor of 864, 545, 20, 770

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

• Greatest Common Factor of 864, 545, 20, 770 by common division method
• Greatest Common Factor of 864, 545, 20, 770 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 864

List of positive integer factors of 864 that divides 864 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,27,32,36,48,54,72,96,108,144,216,288,432,864

Factors of 545

List of positive integer factors of 545 that divides 545 without a remainder.

1,5,109,545

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Greatest Common Factor

We found the factors 864,545,20,770 . The biggest common factor number is the GCF number.
So the greatest common factor 864,545,20,770 is 1.

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

• GCF of 987, 288, 45, 460
• GCF of 635, 836, 31, 864
• GCF of 358, 763, 49, 907
• GCF of 964, 811, 69, 426
• GCF of 149, 347, 61, 601

1. What is the GCF of 864, 545, 20, 770?

Answer: GCF of 864, 545, 20, 770 is 1.

2. How to Find the GCF of 864, 545, 20, 770

Answer: Greatest Common Factor(GCF) of 864, 545, 20, 770 = 1

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

Step 2: Then multiply all the prime factors GCF(864, 545, 20, 770) = 1.