Greatest Common Factor of 420, 343, 698

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

• Greatest Common Factor of 420, 343, 698 by common division method
• Greatest Common Factor of 420, 343, 698 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 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 343

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

1,7,49,343

Factors of 698

List of positive integer factors of 698 that divides 698 without a remainder.

1,2,349,698

Greatest Common Factor

We found the factors 420,343,698 . The biggest common factor number is the GCF number.
So the greatest common factor 420,343,698 is 1.

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

• GCF of 523, 415, 410
• GCF of 141, 808, 595
• GCF of 379, 749, 602
• GCF of 720, 540, 930
• GCF of 288, 497, 661

1. What is the GCF of 420, 343, 698?

Answer: GCF of 420, 343, 698 is 1.

2. How to Find the GCF of 420, 343, 698

Answer: Greatest Common Factor(GCF) of 420, 343, 698 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 343, 698) = 1.