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

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