Two minute math: GCF

Random Science or math Quiz

Can you name the greatest common factor for each set of numbers?

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NumbersGCF
84, 27
87, 58
25, 7555
65, 39
98, 70
n, n+1
117, 63
24/2, 36/2
60, 72
1 googol, 48
2010, (2)(3)(5)(67)
72, 28
6, 999
NumbersGCF
56, 63, 72
Atomic number of Helium, Atomic number of Neon
√(900), √(324)
64, 4, 32
90, 45
2^3, 3^2
1001, 44
38, 114
432, 168
Years in a century, Days in a non-leap year
242, 363
10^6, 5!

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Created May 31, 2010ReportNominate
Tags:math, Numbers, common, factor, gcf, greatest, minute, set