Greatest Common Factor of 409, 390, 155, 490

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

• Greatest Common Factor of 409, 390, 155, 490 by common division method
• Greatest Common Factor of 409, 390, 155, 490 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 409

List of positive integer factors of 409 that divides 409 without a remainder.

1,409

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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

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

Greatest Common Factor

We found the factors 409,390,155,490 . The biggest common factor number is the GCF number.
So the greatest common factor 409,390,155,490 is 1.

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

• GCF of 412, 733, 653, 968
• GCF of 867, 844, 311, 149
• GCF of 523, 527, 264, 881
• GCF of 470, 536, 390, 120
• GCF of 785, 108, 756, 326

1. What is the GCF of 409, 390, 155, 490?

Answer: GCF of 409, 390, 155, 490 is 1.

2. How to Find the GCF of 409, 390, 155, 490

Answer: Greatest Common Factor(GCF) of 409, 390, 155, 490 = 1

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

Step 2: Then multiply all the prime factors GCF(409, 390, 155, 490) = 1.