The greatest prime factor they have in common is 2.
Prime factorization of 32 is 2x2x2x2x2 (or 25).
9 = 32
23 x 32
23 x 32 x 7 = 504
The number 32 cannot appear as a prime factor!
Prime factorization of 32 is 2x2x2x2x2 (or 25).
The prime factorization of 50 is 2x5x5 or 2 x 52. The prime factorization of 18 is 2x3x3 or 2 x 32. The prime factorization of 32 is 2x2x2x2x2 or 25.
2^5
9 = 32
The prime factorization is:2×2×2×2×3×3×233=24×32×233
It is: 32*51 = 45
23 x 32
24*32 = 144
144 = 24 x 32
16 2*16 = 32
2^5 = 32