Greatest Common Factor of 420, 138, 386, 921, 241

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

• Greatest Common Factor of 420, 138, 386, 921, 241 by common division method
• Greatest Common Factor of 420, 138, 386, 921, 241 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 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Factors of 386

List of positive integer factors of 386 that divides 386 without a remainder.

1,2,193,386

Factors of 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Factors of 241

List of positive integer factors of 241 that divides 241 without a remainder.

1,241

Greatest Common Factor

We found the factors 420,138,386,921,241 . The biggest common factor number is the GCF number.
So the greatest common factor 420,138,386,921,241 is 1.

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

• GCF of 177, 302, 971, 929, 837
• GCF of 980, 250, 704, 990, 987
• GCF of 933, 798, 463, 523, 632
• GCF of 364, 285, 401, 404, 738
• GCF of 150, 649, 616, 738, 996

1. What is the GCF of 420, 138, 386, 921, 241?

Answer: GCF of 420, 138, 386, 921, 241 is 1.

2. How to Find the GCF of 420, 138, 386, 921, 241

Answer: Greatest Common Factor(GCF) of 420, 138, 386, 921, 241 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 138, 386, 921, 241) = 1.