Greatest Common Factor of 70, 90, 80, 857

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

• Greatest Common Factor of 70, 90, 80, 857 by common division method
• Greatest Common Factor of 70, 90, 80, 857 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 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 857

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

1,857

Greatest Common Factor

We found the factors 70,90,80,857 . The biggest common factor number is the GCF number.
So the greatest common factor 70,90,80,857 is 1.

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

• GCF of 48, 26, 43, 180
• GCF of 32, 84, 45, 197
• GCF of 82, 81, 90, 409
• GCF of 52, 49, 16, 297
• GCF of 66, 27, 12, 172

1. What is the GCF of 70, 90, 80, 857?

Answer: GCF of 70, 90, 80, 857 is 1.

2. How to Find the GCF of 70, 90, 80, 857

Answer: Greatest Common Factor(GCF) of 70, 90, 80, 857 = 1

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

Step 2: Then multiply all the prime factors GCF(70, 90, 80, 857) = 1.