66 is a composite number. 66 = 1 x 66, 2 x 33, 3 x 22, or 6 x 11. Factors of 66: 1, 2, 3, 6, 11, 22, 33, 66. Prime factorization: 66 = 2 x 3 x 11.

Sometimes 66 is a clue in the FIND THE FACTORS 1 – 12 puzzles. Even though it has other factors, the puzzle only uses 6 x 11 = 66.

I like this fractal animation very much! It really goes on forever!

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