Greatest Common Factor of 397, 644, 969, 133, 139

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

• Greatest Common Factor of 397, 644, 969, 133, 139 by common division method
• Greatest Common Factor of 397, 644, 969, 133, 139 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 397

List of positive integer factors of 397 that divides 397 without a remainder.

1,397

Factors of 644

List of positive integer factors of 644 that divides 644 without a remainder.

1,2,4,7,14,23,28,46,92,161,322,644

Factors of 969

List of positive integer factors of 969 that divides 969 without a remainder.

1,3,17,19,51,57,323,969

Factors of 133

List of positive integer factors of 133 that divides 133 without a remainder.

1,7,19,133

Factors of 139

List of positive integer factors of 139 that divides 139 without a remainder.

1,139

Greatest Common Factor

We found the factors 397,644,969,133,139 . The biggest common factor number is the GCF number.
So the greatest common factor 397,644,969,133,139 is 1.

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

• GCF of 521, 621, 471, 498, 106
• GCF of 923, 280, 612, 520, 321
• GCF of 174, 206, 470, 601, 561
• GCF of 877, 704, 641, 638, 499
• GCF of 491, 167, 963, 967, 694

1. What is the GCF of 397, 644, 969, 133, 139?

Answer: GCF of 397, 644, 969, 133, 139 is 1.

2. How to Find the GCF of 397, 644, 969, 133, 139

Answer: Greatest Common Factor(GCF) of 397, 644, 969, 133, 139 = 1

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

Step 2: Then multiply all the prime factors GCF(397, 644, 969, 133, 139) = 1.