Greatest Common Factor of 155, 395, 978, 628

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

• Greatest Common Factor of 155, 395, 978, 628 by common division method
• Greatest Common Factor of 155, 395, 978, 628 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 395

List of positive integer factors of 395 that divides 395 without a remainder.

1,5,79,395

Factors of 978

List of positive integer factors of 978 that divides 978 without a remainder.

1,2,3,6,163,326,489,978

Factors of 628

List of positive integer factors of 628 that divides 628 without a remainder.

1,2,4,157,314,628

Greatest Common Factor

We found the factors 155,395,978,628 . The biggest common factor number is the GCF number.
So the greatest common factor 155,395,978,628 is 1.

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

• GCF of 275, 631, 399, 756
• GCF of 315, 530, 656, 308
• GCF of 679, 489, 256, 219
• GCF of 172, 148, 594, 921
• GCF of 969, 908, 743, 994

1. What is the GCF of 155, 395, 978, 628?

Answer: GCF of 155, 395, 978, 628 is 1.

2. How to Find the GCF of 155, 395, 978, 628

Answer: Greatest Common Factor(GCF) of 155, 395, 978, 628 = 1

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

Step 2: Then multiply all the prime factors GCF(155, 395, 978, 628) = 1.