Greatest Common Factor of 642, 956, 390, 721, 187

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

• Greatest Common Factor of 642, 956, 390, 721, 187 by common division method
• Greatest Common Factor of 642, 956, 390, 721, 187 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 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 956

List of positive integer factors of 956 that divides 956 without a remainder.

1,2,4,239,478,956

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 187

List of positive integer factors of 187 that divides 187 without a remainder.

1,11,17,187

Greatest Common Factor

We found the factors 642,956,390,721,187 . The biggest common factor number is the GCF number.
So the greatest common factor 642,956,390,721,187 is 1.

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

• GCF of 840, 564, 419, 881, 827
• GCF of 972, 647, 403, 663, 115
• GCF of 973, 461, 696, 239, 515
• GCF of 799, 799, 116, 551, 387
• GCF of 972, 846, 878, 195, 907

1. What is the GCF of 642, 956, 390, 721, 187?

Answer: GCF of 642, 956, 390, 721, 187 is 1.

2. How to Find the GCF of 642, 956, 390, 721, 187

Answer: Greatest Common Factor(GCF) of 642, 956, 390, 721, 187 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 956, 390, 721, 187) = 1.