24^54.54^24.2^10=(2^3 .3)^54.(3^3.2)^24
=(2^3)^54. 3^54. (3^3)^24. 2^24. 2^10
= 2^162. 2^24. 2^10. 3^54. 3^72
= 2^196 . 3^126
72^63=(2^3.3^2)^63
=(2^3)^63(.3^2)^63=2^189.3^126
vì 2^196.3^126 chia hết 2^189.3^126
=>24^54.54^24.2^10 chia hết 72^63 .