Greatest Common Factor of 840, 221, 970

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

• Greatest Common Factor of 840, 221, 970 by common division method
• Greatest Common Factor of 840, 221, 970 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 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Factors of 970

List of positive integer factors of 970 that divides 970 without a remainder.

1,2,5,10,97,194,485,970

Greatest Common Factor

We found the factors 840,221,970 . The biggest common factor number is the GCF number.
So the greatest common factor 840,221,970 is 1.

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

• GCF of 486, 879, 247
• GCF of 460, 191, 363
• GCF of 634, 116, 378
• GCF of 142, 810, 249
• GCF of 187, 560, 856

1. What is the GCF of 840, 221, 970?

Answer: GCF of 840, 221, 970 is 1.

2. How to Find the GCF of 840, 221, 970

Answer: Greatest Common Factor(GCF) of 840, 221, 970 = 1

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

Step 2: Then multiply all the prime factors GCF(840, 221, 970) = 1.