Greatest Common Factor of 343, 420, 60

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

• Greatest Common Factor of 343, 420, 60 by common division method
• Greatest Common Factor of 343, 420, 60 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 343

List of positive integer factors of 343 that divides 343 without a remainder.

1,7,49,343

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

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 343,420,60 . The biggest common factor number is the GCF number.
So the greatest common factor 343,420,60 is 1.

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

• GCF of 550, 157, 21
• GCF of 915, 662, 38
• GCF of 320, 927, 21
• GCF of 196, 288, 12
• GCF of 327, 568, 72

1. What is the GCF of 343, 420, 60?

Answer: GCF of 343, 420, 60 is 1.

2. How to Find the GCF of 343, 420, 60

Answer: Greatest Common Factor(GCF) of 343, 420, 60 = 1

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

Step 2: Then multiply all the prime factors GCF(343, 420, 60) = 1.