9×8

9×8 denotes the product of the integers 9 and 8, a basic operation in arithmetic. The result is 72. By the commutative property, 9×8 = 8×9. In prime factorization terms, 9×8 = 3^2 × 2^3, or 2^3·3^2.

The number 72 has twelve divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The sum of its proper divisors is 123, which makes 72 an abundant number since the sum exceeds 72. In various numeral systems, 72 is represented as 1001000 in binary, 110 in octal, and 48 in hexadecimal.

Geometrically, a rectangle measuring 9 by 8 units has an area of 72 square units. In education, 9×8 is a standard entry in multiplication tables and commonly used in mental math demonstrations. A quick calculation trick for 9×8 is to compute 9×8 as (10×8) − 8 = 80 − 8 = 72.

Overall, 9×8 is a straightforward example of a product, illustrating core ideas of factorization, bases, and practical computation, and it frequently appears in both mathematical practice and applied counting contexts.