54
7
7 x 378 = 2646
378 ÷ 7 = 54
378 = 2 × 33 × 7
There are: 378/7 = 54 weeks
It is: 2*33*7 = 378
378/\14 27/\ /\7 2 9 3/\3 3So the prime factorization of 378 is 2 x 3 cubed (or 3 to the third power) x 7.
3*3*6*7 = 378
400 - 378 = 22
378 = 2 * 3 * 3 * 3 * 7
378