2 x 3 x 72 = 294 is the index form. Index notation refers to higher mathematics and computer programming.
216 in index form
The prime factors of 100 are: 2 * 2 * 5 * 5
26 x 3 = 192
5^2
22/3
22 3/10
48 = 24 x 3
35 = 243
81 is 3 to the power 4.
2^4 x 3^2
22 x 3 = 12