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FIND THE GCF OF (210,130)
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ғɪɴᴅ ᴛʜᴇ ᴘʀɪᴍᴇ ғᴀᴄᴛᴏʀɪᴢᴀᴛɪᴏɴ ᴏғ 130
130 = 2 × 5 × 13
ғɪɴᴅ ᴛʜᴇ ᴘʀɪᴍᴇ ғᴀᴄᴛᴏʀɪᴢᴀᴛɪᴏɴ ᴏғ 210
210 = 2 × 3 × 5 × 7
ᴛᴏ ғɪɴᴅ ᴛʜᴇ ɢᴄғ, ᴍᴜʟᴛɪᴘʟʏ ᴀʟʟ ᴛʜᴇ ᴘʀɪᴍᴇ ғᴀᴄᴛᴏʀs ᴄᴏᴍᴍᴏɴ ᴛᴏ ʙᴏᴛʜ ɴᴜᴍʙᴇʀs:
ᴛʜᴇʀᴇғᴏʀᴇ, ɢᴄғ = 2 × 5
ɢᴄғ = 10
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1
- Find the prime factorization of 130
- 130 = 2 × 5 × 13
- Find the prime factorization of 210
- 210 = 2 × 3 × 5 × 7
- To find the GCF, multiply all the prime factors common to both numbers:
- Therefore, GCF = 2 × 5
- GCF = 10
Hope you Gotcha!
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