Exᴘʟᴀɪɴ ᴡʜʏ 7×11×13+13 ᴀɴᴅ 7×6×5×4×3×2×1+5 ᴀʀᴇ ᴄᴏᴍᴘᴏsɪᴛᴇ ɴᴜᴍʙᴇʀs

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Exᴘʟᴀɪɴ ᴡʜʏ 7×11×13+13 ᴀɴᴅ 7×6×5×4×3×2×1+5 ᴀʀᴇ ᴄᴏᴍᴘᴏsɪᴛᴇ ɴᴜᴍʙᴇʀs

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Everleigh 2 weeks 2021-11-15T09:31:43+00:00 1 Answer 0 views 0

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    2021-11-15T09:32:45+00:00

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    ᴀ ᴄᴏᴍᴘᴏsɪᴛᴇ ɴᴜᴍʙᴇʀ ɪs ᴀ ᴘᴏsɪᴛɪᴠᴇ ɪɴᴛᴇɢᴇʀ ᴛʜᴀᴛ ʜᴀs ᴀ ғᴀᴄᴛᴏʀ ᴏᴛʜᴇʀ ᴛʜᴀɴ 1 ᴀɴᴅ ɪᴛsᴇʟғ.

    ɴᴏᴡ ᴄᴏɴsɪᴅᴇʀɪɴɢ ᴏᴜʀ ɴᴜᴍʙᴇʀ,

    7 × 11 × 13 × 13 ᴄᴀɴ ʙᴇ ᴡʀɪᴛᴛᴇɴ ᴀs, 13[(7 × 11) + 1] ɪ.ᴇ. 13 × 78. sᴏ, ᴏᴛʜᴇʀ ᴛʜᴀɴ 1 ᴀɴᴅ ᴛʜᴇ ɴᴜᴍʙᴇʀ ɪᴛsᴇʟғ, 13 ᴀɴᴅ 78 ᴀʀᴇ ᴀʟsᴏ ᴛʜᴇ ғᴀᴄᴛᴏʀ ᴏғ ᴛʜᴇ ɢɪᴠᴇɴ ɴᴜᴍʙᴇʀ.

    ғᴜʀᴛʜᴇʀ, 78 = 39 × 2. sᴏ, 39 ᴀɴᴅ 2 ᴀʀᴇ ᴀʟsᴏ ɪᴛ’s ғᴀᴄᴛᴏʀs. sᴏ, ᴛʜɪs ɴᴜᴍʙᴇʀ ɪs ᴅᴇғɪɴᴀᴛᴇʟʏ ɴᴏᴛ ᴘʀɪᴍᴇ. ʜᴇɴᴄᴇ, ɪᴛ ɪs ᴄᴏᴍᴘᴏsɪᴛᴇ ɴᴜᴍʙᴇʀ.

    sɪᴍɪʟᴀʀʟʏ, 7 × 6 × 5 × 4 × 3 × 2 × 1 + 5 ᴄᴀɴ ʙᴇ ᴡʀɪᴛᴛᴇɴ ᴀs 5[(7 × 6 × 4 × 3 × 2 × 1) + 1] ɪ.ᴇ. 5 × 1009.

    sᴏ, ᴏᴛʜᴇʀ ᴛʜᴀɴ ᴛʜᴇ ɴᴜᴍʙᴇʀ ᴀɴᴅ 1, ɪᴛ ʜᴀᴠᴇ 5 ᴀɴᴅ 1009 ᴀs ɪᴛ’s ғᴀᴄᴛᴏʀ ᴛᴏᴏ. ʜᴇɴᴄᴇ, ɪᴛ ɪs ᴀʟsᴏ ᴀ ᴄᴏᴍᴘᴏsɪᴛᴇ ɴᴜᴍʙᴇʀ.

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