Greatest Common Factor of 253, 390, 85

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

• Greatest Common Factor of 253, 390, 85 by common division method
• Greatest Common Factor of 253, 390, 85 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 253

List of positive integer factors of 253 that divides 253 without a remainder.

1,11,23,253

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 253,390,85 . The biggest common factor number is the GCF number.
So the greatest common factor 253,390,85 is 1.

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

• GCF of 345, 118, 89
• GCF of 453, 584, 41
• GCF of 416, 225, 11
• GCF of 678, 771, 56
• GCF of 723, 759, 64

1. What is the GCF of 253, 390, 85?

Answer: GCF of 253, 390, 85 is 1.

2. How to Find the GCF of 253, 390, 85

Answer: Greatest Common Factor(GCF) of 253, 390, 85 = 1

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

Step 2: Then multiply all the prime factors GCF(253, 390, 85) = 1.