Greatest Common Factor of 64, 70, 45, 385

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

• Greatest Common Factor of 64, 70, 45, 385 by common division method
• Greatest Common Factor of 64, 70, 45, 385 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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 385

List of positive integer factors of 385 that divides 385 without a remainder.

1,5,7,11,35,55,77,385

Greatest Common Factor

We found the factors 64,70,45,385 . The biggest common factor number is the GCF number.
So the greatest common factor 64,70,45,385 is 1.

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

• GCF of 58, 46, 47, 136
• GCF of 23, 22, 93, 644
• GCF of 51, 85, 21, 487
• GCF of 14, 24, 48, 525
• GCF of 98, 55, 34, 840

1. What is the GCF of 64, 70, 45, 385?

Answer: GCF of 64, 70, 45, 385 is 1.

2. How to Find the GCF of 64, 70, 45, 385

Answer: Greatest Common Factor(GCF) of 64, 70, 45, 385 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 70, 45, 385) = 1.