What is the Greatest Common Factor of 55420 and 55440?

How to find the GCF of 55420 and 55440?

We will first find the prime factorization of 55420 and 55440. After we will calculate the factors of 55420 and 55440 and find the biggest common factor number .

Step-1: Prime Factorization of 55420

Step-2: Prime Factorization of 55440

Step-3: Factors of 55420

List of positive integer factors of 55420 that divides 55420 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1630, 2771, 3260, 5542, 11084, 13855, 27710

Step-4: Factors of 55440

List of positive integer factors of 55440 that divides 55420 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3960, 4620, 5040, 5544, 6160, 6930, 7920, 9240, 11088, 13860, 18480, 27720

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 55420 and 55440. The biggest common factor number is the GCF number.
So the greatest common factor 55420 and 55440 is 20.

Also check out the Least Common Multiple of 55420 and 55440