The GCF is 15.
The GCF is 9.
7
Because 45 is not a factor of 60, whereas 15 and 30 are.
The Greatest Common Factor (GCF) is: 5
one two three four five six seven eight nine ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty twenty one twenty two twenty three twenty four twenty six twenty seven twenty eight twenty nine thirty thirty one thirty two thirty three thirty four thirty five thirty six thirty seven thirty eight thirty nine forty forty one forty two forty three forty four forty five forty six forty seven forty eight forty nine fifty
The GCF of 20 and 35 is 5.
27
thirty, thirty-one, thirty-two, thirty-three, thirty-four, thirty-five, thirty-six, thirty-seven, thirty-eight, thirty nine, forty
Forty to forty five minutes -- about thirty-five to forty miles.
five hundred thirty-five
Onethousandfourhundredandforty
14 40