NO!!
No.
The prime factors are 2, 3 and 23.
The factors of 552 are 1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 184, 276 and 552. The prime factors are: 2, 3 and 23
2 x 2 x 2 x 3 x 23
30% of 552 = 30 * 552/100 = 165.6
552 1
552-495 = 57
46
552
it is 552!! :)
2352
552 * 7 = 3,864