Greatest Common Factor of 343, 358, 21

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

• Greatest Common Factor of 343, 358, 21 by common division method
• Greatest Common Factor of 343, 358, 21 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 358

List of positive integer factors of 358 that divides 358 without a remainder.

1,2,179,358

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 343,358,21 . The biggest common factor number is the GCF number.
So the greatest common factor 343,358,21 is 1.

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

• GCF of 214, 549, 82
• GCF of 739, 558, 82
• GCF of 460, 506, 13
• GCF of 229, 469, 71
• GCF of 267, 282, 50

1. What is the GCF of 343, 358, 21?

Answer: GCF of 343, 358, 21 is 1.

2. How to Find the GCF of 343, 358, 21

Answer: Greatest Common Factor(GCF) of 343, 358, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(343, 358, 21) = 1.