2by39

2by39 is a mathematical expression representing the product of the numbers two and thirty-nine. This calculation results in the integer seventy-eight. The operation of multiplication is fundamental in arithmetic and is used to find the total when a quantity is added to itself a specified number of times. In this case, it means adding the number thirty-nine to itself two times, or adding the number two to itself thirty-nine times, both yielding the same result. This concept is often introduced early in mathematical education to build a foundation for more complex calculations. The numbers 2 and 39 are integers. The number 2 is a prime number and the smallest even prime number. The number 39 is a composite number, divisible by 1, 3, 13, and 39. The result, 78, is an even composite number. The commutative property of multiplication states that the order of the factors does not affect the product, meaning 2 multiplied by 39 is equal to 39 multiplied by 2.