Greatest Common Factor of 420, 540, 389, 667, 402

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

• Greatest Common Factor of 420, 540, 389, 667, 402 by common division method
• Greatest Common Factor of 420, 540, 389, 667, 402 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 540

List of positive integer factors of 540 that divides 540 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Factors of 667

List of positive integer factors of 667 that divides 667 without a remainder.

1,23,29,667

Factors of 402

List of positive integer factors of 402 that divides 402 without a remainder.

1,2,3,6,67,134,201,402

Greatest Common Factor

We found the factors 420,540,389,667,402 . The biggest common factor number is the GCF number.
So the greatest common factor 420,540,389,667,402 is 1.

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

• GCF of 760, 185, 402, 939, 846
• GCF of 821, 193, 110, 520, 360
• GCF of 313, 459, 289, 443, 294
• GCF of 757, 436, 985, 984, 268
• GCF of 473, 177, 569, 893, 268

1. What is the GCF of 420, 540, 389, 667, 402?

Answer: GCF of 420, 540, 389, 667, 402 is 1.

2. How to Find the GCF of 420, 540, 389, 667, 402

Answer: Greatest Common Factor(GCF) of 420, 540, 389, 667, 402 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 540, 389, 667, 402) = 1.