Greatest Common Factor of 428, 155, 497

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

• Greatest Common Factor of 428, 155, 497 by common division method
• Greatest Common Factor of 428, 155, 497 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 497

List of positive integer factors of 497 that divides 497 without a remainder.

1,7,71,497

Greatest Common Factor

We found the factors 428,155,497 . The biggest common factor number is the GCF number.
So the greatest common factor 428,155,497 is 1.

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

• GCF of 861, 242, 213
• GCF of 921, 434, 120
• GCF of 542, 735, 609
• GCF of 210, 602, 458
• GCF of 942, 955, 229

1. What is the GCF of 428, 155, 497?

Answer: GCF of 428, 155, 497 is 1.

2. How to Find the GCF of 428, 155, 497

Answer: Greatest Common Factor(GCF) of 428, 155, 497 = 1

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

Step 2: Then multiply all the prime factors GCF(428, 155, 497) = 1.