1 x 1050, 2 x 525, 3 x 350, 5 x 210, 6 x 175, 7 x 150, 10 x 105, 14 x 75, 15 x 70, 21 x 50, 25 x 42, 30 x 35 = 1,050
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The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 405 and 1125 is 45.
I might be reading this incorrectly, but it seems to me that I can take two prime numbers, 3 and 3, and make the square number nine out of them. This is also true of all the other prime numbers.
LCM(1400, 1050) = 4200
The Least Common Multiple (LCM) for 455 1050 is 13,650.
100 and 200 have a GCF of 100.