Greatest Common Factor of 420, 377, 152, 280

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

• Greatest Common Factor of 420, 377, 152, 280 by common division method
• Greatest Common Factor of 420, 377, 152, 280 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 377

List of positive integer factors of 377 that divides 377 without a remainder.

1,13,29,377

Factors of 152

List of positive integer factors of 152 that divides 152 without a remainder.

1,2,4,8,19,38,76,152

Factors of 280

List of positive integer factors of 280 that divides 280 without a remainder.

1,2,4,5,7,8,10,14,20,28,35,40,56,70,140,280

Greatest Common Factor

We found the factors 420,377,152,280 . The biggest common factor number is the GCF number.
So the greatest common factor 420,377,152,280 is 1.

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

• GCF of 824, 777, 275, 649
• GCF of 389, 893, 289, 615
• GCF of 621, 938, 443, 730
• GCF of 216, 163, 840, 925
• GCF of 797, 376, 428, 419

1. What is the GCF of 420, 377, 152, 280?

Answer: GCF of 420, 377, 152, 280 is 1.

2. How to Find the GCF of 420, 377, 152, 280

Answer: Greatest Common Factor(GCF) of 420, 377, 152, 280 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 377, 152, 280) = 1.