Question

find last two digits of 1122^1122! ??

Answer 1

To know the last 2 digits, you need not do the whole multiplication. Just multiply the last two digits of the twofactors. 22*22 = 484. So last two digits of 1122*1122 are 84.

Answer 2

ᴜᴘᴀʀ ᴊɪsɴᴇᴀɴsᴡᴇʀ ᴅɪʏᴀ ᴜsᴋᴏ ғᴏʟʟᴏᴡ ᴀᴍᴅ ᴍᴀʀᴋ ᴋᴀʀᴏ ᴡᴏ ᴛᴜᴍᴋᴏ ɪɴʙᴏx ᴋᴀʀᴇɢᴀ