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

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