Greatest Common Factor of 987, 490, 640

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

• Greatest Common Factor of 987, 490, 640 by common division method
• Greatest Common Factor of 987, 490, 640 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 987

List of positive integer factors of 987 that divides 987 without a remainder.

1,3,7,21,47,141,329,987

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Factors of 640

List of positive integer factors of 640 that divides 640 without a remainder.

1,2,4,5,8,10,16,20,32,40,64,80,128,160,320,640

Greatest Common Factor

We found the factors 987,490,640 . The biggest common factor number is the GCF number.
So the greatest common factor 987,490,640 is 1.

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

• GCF of 170, 433, 504
• GCF of 324, 715, 946
• GCF of 466, 394, 508
• GCF of 847, 109, 363
• GCF of 537, 669, 294

1. What is the GCF of 987, 490, 640?

Answer: GCF of 987, 490, 640 is 1.

2. How to Find the GCF of 987, 490, 640

Answer: Greatest Common Factor(GCF) of 987, 490, 640 = 1

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

Step 2: Then multiply all the prime factors GCF(987, 490, 640) = 1.