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

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