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

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