Greatest Common Factor of 399, 421, 749

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

• Greatest Common Factor of 399, 421, 749 by common division method
• Greatest Common Factor of 399, 421, 749 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 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Factors of 421

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

1,421

Factors of 749

List of positive integer factors of 749 that divides 749 without a remainder.

1,7,107,749

Greatest Common Factor

We found the factors 399,421,749 . The biggest common factor number is the GCF number.
So the greatest common factor 399,421,749 is 1.

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

• GCF of 813, 310, 360
• GCF of 545, 357, 151
• GCF of 752, 956, 638
• GCF of 256, 478, 125
• GCF of 267, 508, 552

1. What is the GCF of 399, 421, 749?

Answer: GCF of 399, 421, 749 is 1.

2. How to Find the GCF of 399, 421, 749

Answer: Greatest Common Factor(GCF) of 399, 421, 749 = 1

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

Step 2: Then multiply all the prime factors GCF(399, 421, 749) = 1.