Greatest Common Factor of 420, 857, 871

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

• Greatest Common Factor of 420, 857, 871 by common division method
• Greatest Common Factor of 420, 857, 871 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 857

List of positive integer factors of 857 that divides 857 without a remainder.

1,857

Factors of 871

List of positive integer factors of 871 that divides 871 without a remainder.

1,13,67,871

Greatest Common Factor

We found the factors 420,857,871 . The biggest common factor number is the GCF number.
So the greatest common factor 420,857,871 is 1.

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

• GCF of 237, 223, 588
• GCF of 567, 433, 575
• GCF of 992, 704, 216
• GCF of 536, 745, 371
• GCF of 783, 475, 623

1. What is the GCF of 420, 857, 871?

Answer: GCF of 420, 857, 871 is 1.

2. How to Find the GCF of 420, 857, 871

Answer: Greatest Common Factor(GCF) of 420, 857, 871 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 857, 871) = 1.