Greatest Common Factor of 428, 508, 407, 405

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

• Greatest Common Factor of 428, 508, 407, 405 by common division method
• Greatest Common Factor of 428, 508, 407, 405 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 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Factors of 508

List of positive integer factors of 508 that divides 508 without a remainder.

1,2,4,127,254,508

Factors of 407

List of positive integer factors of 407 that divides 407 without a remainder.

1,11,37,407

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Greatest Common Factor

We found the factors 428,508,407,405 . The biggest common factor number is the GCF number.
So the greatest common factor 428,508,407,405 is 1.

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

• GCF of 734, 144, 331, 383
• GCF of 526, 293, 651, 441
• GCF of 431, 549, 264, 233
• GCF of 305, 416, 675, 409
• GCF of 225, 464, 114, 224

1. What is the GCF of 428, 508, 407, 405?

Answer: GCF of 428, 508, 407, 405 is 1.

2. How to Find the GCF of 428, 508, 407, 405

Answer: Greatest Common Factor(GCF) of 428, 508, 407, 405 = 1

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

Step 2: Then multiply all the prime factors GCF(428, 508, 407, 405) = 1.