Tolong pake 4cara tadi lupa taruh gambar #sorry

16 = 2^4
30 = 2 x 3 x 5
40 = 2³ x 5
FPB = 2
KPK = 2^4 x 5 x 3
= 16 x 15
= 240

Jadi, jawabannya d. 2 dan 240
semoga membantu