Greatest Common Factor of 688, 445, 421

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

• Greatest Common Factor of 688, 445, 421 by common division method
• Greatest Common Factor of 688, 445, 421 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 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Factors of 445

List of positive integer factors of 445 that divides 445 without a remainder.

1,5,89,445

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1,421

Greatest Common Factor

We found the factors 688,445,421 . The biggest common factor number is the GCF number.
So the greatest common factor 688,445,421 is 1.

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

• GCF of 841, 178, 581
• GCF of 675, 156, 690
• GCF of 953, 722, 348
• GCF of 359, 973, 354
• GCF of 218, 904, 914

1. What is the GCF of 688, 445, 421?

Answer: GCF of 688, 445, 421 is 1.

2. How to Find the GCF of 688, 445, 421

Answer: Greatest Common Factor(GCF) of 688, 445, 421 = 1

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

Step 2: Then multiply all the prime factors GCF(688, 445, 421) = 1.