Greatest Common Factor of 640, 770, 505, 25

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

• Greatest Common Factor of 640, 770, 505, 25 by common division method
• Greatest Common Factor of 640, 770, 505, 25 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

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

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Factors of 770

List of positive integer factors of 770 that divides 770 without a remainder.

1,2,5,7,10,11,14,22,35,55,70,77,110,154,385,770

Factors of 505

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

1,5,101,505

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Greatest Common Factor

We found the factors 640,770,505,25 . The biggest common factor number is the GCF number.
So the greatest common factor 640,770,505,25 is 5.

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

• GCF of 926, 556, 254, 75
• GCF of 915, 380, 477, 13
• GCF of 279, 519, 412, 97
• GCF of 484, 184, 288, 49
• GCF of 298, 487, 671, 93

1. What is the GCF of 640, 770, 505, 25?

Answer: GCF of 640, 770, 505, 25 is 5.

2. How to Find the GCF of 640, 770, 505, 25

Answer: Greatest Common Factor(GCF) of 640, 770, 505, 25 = 5

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

Step 2: Then multiply all the prime factors GCF(640, 770, 505, 25) = 5.