It is: 396/528 times 100 = 75%
75%
66, 132, 198, 264, 330, 396, 462, 528, 594, 660, . . .
132, 264, 396, 528, 660, 792, 924 +132 . . .
44, 88, 132, 176, 220, 264, 308, 352, 396, 440, 484, 528.
multiples of 66: 66 132 198 264 330 396 462 528 594 660
44, 88, 132, 176, 220, 264, 308, 352, 396, 440, 484, 528, 572, 616, . . .
All multiples of 132 (which are infinite) including 132, 264, 396, 528, 660, 792, 924, 1056 . . .
44 88 132 176 220 264 308 352 396 440 484 528 572 616
.322
3384
10.4
36, 72, 108, 144, 180, 216, 252, 288, 324, 360, 396, 432, 468, . . . 132, 264, 396, 528, 660, 792, 924, 1056, 1188, 1320, 1452, 1584, 1716, . . .