Greatest Common Factor of 143, 640, 642

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

• Greatest Common Factor of 143, 640, 642 by common division method
• Greatest Common Factor of 143, 640, 642 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 143

List of positive integer factors of 143 that divides 143 without a remainder.

1,11,13,143

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

Factors of 642

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

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

Greatest Common Factor

We found the factors 143,640,642 . The biggest common factor number is the GCF number.
So the greatest common factor 143,640,642 is 1.

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

• GCF of 156, 695, 209
• GCF of 752, 331, 128
• GCF of 401, 934, 853
• GCF of 843, 225, 439
• GCF of 463, 654, 923

1. What is the GCF of 143, 640, 642?

Answer: GCF of 143, 640, 642 is 1.

2. How to Find the GCF of 143, 640, 642

Answer: Greatest Common Factor(GCF) of 143, 640, 642 = 1

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

Step 2: Then multiply all the prime factors GCF(143, 640, 642) = 1.