Greatest Common Factor of 420, 539, 45

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

• Greatest Common Factor of 420, 539, 45 by common division method
• Greatest Common Factor of 420, 539, 45 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 539

List of positive integer factors of 539 that divides 539 without a remainder.

1,7,11,49,77,539

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Greatest Common Factor

We found the factors 420,539,45 . The biggest common factor number is the GCF number.
So the greatest common factor 420,539,45 is 1.

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

• GCF of 960, 401, 75
• GCF of 477, 863, 71
• GCF of 472, 680, 54
• GCF of 220, 347, 73
• GCF of 946, 658, 48

1. What is the GCF of 420, 539, 45?

Answer: GCF of 420, 539, 45 is 1.

2. How to Find the GCF of 420, 539, 45

Answer: Greatest Common Factor(GCF) of 420, 539, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 539, 45) = 1.