Greatest Common Factor of 770, 975, 15, 978

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

• Greatest Common Factor of 770, 975, 15, 978 by common division method
• Greatest Common Factor of 770, 975, 15, 978 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 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 975

List of positive integer factors of 975 that divides 975 without a remainder.

1,3,5,13,15,25,39,65,75,195,325,975

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 978

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

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

Greatest Common Factor

We found the factors 770,975,15,978 . The biggest common factor number is the GCF number.
So the greatest common factor 770,975,15,978 is 1.

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

• GCF of 738, 599, 30, 904
• GCF of 606, 976, 13, 323
• GCF of 616, 490, 21, 814
• GCF of 480, 640, 53, 119
• GCF of 529, 300, 45, 632

1. What is the GCF of 770, 975, 15, 978?

Answer: GCF of 770, 975, 15, 978 is 1.

2. How to Find the GCF of 770, 975, 15, 978

Answer: Greatest Common Factor(GCF) of 770, 975, 15, 978 = 1

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

Step 2: Then multiply all the prime factors GCF(770, 975, 15, 978) = 1.