Question

answer fast find least possible integer k such that 2^2021+k is divisible by 33.​

Answer 1

Step-by-step explanation:

(A) 420

(B) 840

(C) 1,260

(D) 2,520

(E) 5,040

The integer should be divisible by: 2, 3, 4(=2^2), 5, 6(=2*3), and 7. The least common multiple of these integers is LCM=2^2*3*5*7=420.