



 
Hi Tom, Are you sure the problem wasn't
If this is the problem then one number with 2007 digits is 1 followed by 2006 zeros, that is 1 × 10^{2006}. But 10 = 2 × 5 so 10^{2006} = (2 × 5)^{2006} = 2^{2006} × 5^{2006}. Does this help?  


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