6270 = 2 3 5 11 198840 = 2^3 5 13 1710450 = 2 5^2 11 1913986 = 2 3^2 23 4316400 = 2^4 5^2 4120010 = 2 5 7 11 * 41
6270 = 2 3 5 11 19
8840 = 2^3 5 13 17
10450 = 2 5^2 11 19
13986 = 2 3^2 23 43
16400 = 2^4 5^2 41
20010 = 2 5 7 11 * 41