ExamPlay Dark Logo
Kirjaudu sisään

Mathematics for IGCSE & O level - Number (Section 1 - No. 6)

Which of the following is a prime number?
9
15
23
21

Selitys

A prime number is a number that has exactly two distinct factors: 1 and itself. 23 is a prime number.

Kommentit (0)

Mainos