What bs the least common muluple of $2^2{3}^5{7}^2$ and $2^4{3}^2{5}^2?$Encrypt the plaintext message "AtOxR" by using the encryption fonction $f(p)=(3p-5)$ moif $26$

a$)$ vaMu

b$)$ ropsa

c$)CrMBz$

d$)$ YFOPX

a$)2^3{3}^3$

b$){243}^5$

c$)2^4{3}^5{5}^2{7}^2$

d$)2^3{37}^2$