Why don’t numbers with a difference of 2 have any common factors beside 1 and possibly 2?
70951
Prove divisibility law $\,b\mid a,c\,\Rightarrow\, b\mid ka + lc$ for all $k,l\in\Bbb Z$
122937
There is a number of three digits, 1 is never immediate right of 2 is?
56463
Factorial of a non-integer number
146616
Why is the squared difference so commonly used?
50543
Simple division in Java - is this a bug or a feature?
102306
Why is this simple calculation of two doubles inaccurate?
46751
Power rule step. Where does equation of the difference of two numbers raised to the same power come from?
94983
Can an odd number $n$ divide $2^n-1$?
90447
Dividing factorials is always integer
129151
Why do computers only use 0 and 1?
49923
Why does $0.75 \times 1.25$ equal $0.93$ and not $1$?
7354
How to convert a factor to integer\numeric without loss of information?
74122
$ 2.28319 = 0 $ !? - How do I spot the mistake?
58212
Why doesn't the quadratic equation contain $2|a|$ in the denominator?
18064
Sum of reciprocals of numbers with certain terms omitted
1152
Why does this pattern with Plus not work for numbers?
8860
Why square the difference instead of taking the absolute value in standard deviation?