Greatest Common Factor of 505, 255, 90

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

• Greatest Common Factor of 505, 255, 90 by common division method
• Greatest Common Factor of 505, 255, 90 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Factors of 255

List of positive integer factors of 255 that divides 255 without a remainder.

1,3,5,15,17,51,85,255

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

Greatest Common Factor

We found the factors 505,255,90 . The biggest common factor number is the GCF number.
So the greatest common factor 505,255,90 is 5.

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

• GCF of 516, 199, 95
• GCF of 148, 205, 50
• GCF of 160, 121, 94
• GCF of 958, 738, 31
• GCF of 716, 545, 38

1. What is the GCF of 505, 255, 90?

Answer: GCF of 505, 255, 90 is 5.

2. How to Find the GCF of 505, 255, 90

Answer: Greatest Common Factor(GCF) of 505, 255, 90 = 5

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

Step 2: Then multiply all the prime factors GCF(505, 255, 90) = 5.