Greatest Common Factor of 143, 420, 142

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

• Greatest Common Factor of 143, 420, 142 by common division method
• Greatest Common Factor of 143, 420, 142 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 142

List of positive integer factors of 142 that divides 142 without a remainder.

1,2,71,142

Greatest Common Factor

We found the factors 143,420,142 . The biggest common factor number is the GCF number.
So the greatest common factor 143,420,142 is 1.

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

• GCF of 929, 402, 436
• GCF of 432, 655, 650
• GCF of 156, 129, 223
• GCF of 931, 702, 223
• GCF of 744, 475, 232

1. What is the GCF of 143, 420, 142?

Answer: GCF of 143, 420, 142 is 1.

2. How to Find the GCF of 143, 420, 142

Answer: Greatest Common Factor(GCF) of 143, 420, 142 = 1

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

Step 2: Then multiply all the prime factors GCF(143, 420, 142) = 1.