Question

find hcf of the following numbers by prime factorisation method. b. 198,720​

Answer 1

ᴀɴsᴡᴇʀ:

ᴘʀɪᴍᴇ ғᴀᴄᴛᴏʀs ᴏғ ᴛʜᴇ ɢɪᴠᴇɴ ɴᴜᴍʙᴇʀs ᴀʀᴇ,

$→ 198 = 18 × 11$

$→ 720 = 10 × 72$

ᴛʜᴇʀᴇғᴏʀᴇ ᴛʜᴇ ʟᴄᴍ ᴏғ 198 ᴀɴᴅ 720 ɪs,

$= 18 × 11 × 10 × 72 = 142560$

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