According to the calculator on my computer 223 divided by 250 = 0.892
223
223
223
0.0135
111.5
Yes. 223 can be evenly divided by 1.
223 divided by 24 = 9.29
202.7273
15.9286
Yes, they do shoot the same projectile although the 22-250 takes a heavier charge of the same powder over the .223.
6.7576
37.1667