Multiples are numbers that can be divided by other numbers. Common multiples can be divided by two or more numbers. The lowest common multiple is the smallest number that two or more numbers can ...

A prime number has exactly two factors, itself and one. The first ten prime numbers are \({2}\), \({3}\), \({5}\), \({7}\), \({11}\), \({13}\), \({17}\), \({19 ...

A new proof about prime numbers illuminates the subtle relationship between addition and multiplication — and raises hopes for progress on the famous abc conjecture. One morning last November, the ...