11 has no factors; it's a Prime number.
-119
72
3*5*11
w2+18w+77 = (w+7)(w+11) when factored
0.8181818181... = 9/11
2 x 2 x 2 x 11 = 88
11 has no factors; it's a prime number.
77 can be factored as 7 timesf11. 88 can be factored by 8 times 11. 11 is the GCF
-5
No. 9 can be factored into 3 and 3, and 33 can be factored into 3 and 11.
1573 is factored out as 11*11*13, so therefore it is a composite number
0.0909