Greatest Common Factor of 320, 291, 420

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

• Greatest Common Factor of 320, 291, 420 by common division method
• Greatest Common Factor of 320, 291, 420 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 320

List of positive integer factors of 320 that divides 320 without a remainder.

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

Factors of 291

List of positive integer factors of 291 that divides 291 without a remainder.

1,3,97,291

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 320,291,420 . The biggest common factor number is the GCF number.
So the greatest common factor 320,291,420 is 1.

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

• GCF of 305, 669, 902
• GCF of 860, 434, 448
• GCF of 721, 802, 977
• GCF of 521, 304, 439
• GCF of 984, 173, 303

1. What is the GCF of 320, 291, 420?

Answer: GCF of 320, 291, 420 is 1.

2. How to Find the GCF of 320, 291, 420

Answer: Greatest Common Factor(GCF) of 320, 291, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(320, 291, 420) = 1.