Greatest Common Factor of 864, 402, 640

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

• Greatest Common Factor of 864, 402, 640 by common division method
• Greatest Common Factor of 864, 402, 640 with matching the biggest common factor

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

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 402

List of positive integer factors of 402 that divides 402 without a remainder.

1,2,3,6,67,134,201,402

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 864,402,640 . The biggest common factor number is the GCF number.
So the greatest common factor 864,402,640 is 2.

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

• GCF of 420, 974, 650
• GCF of 107, 260, 600
• GCF of 133, 654, 939
• GCF of 953, 512, 667
• GCF of 642, 247, 696

1. What is the GCF of 864, 402, 640?

Answer: GCF of 864, 402, 640 is 2.

2. How to Find the GCF of 864, 402, 640

Answer: Greatest Common Factor(GCF) of 864, 402, 640 = 2

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

Step 2: Then multiply all the prime factors GCF(864, 402, 640) = 2.