Can you recognize the prime numbers in this group of numbers? Which are prime, composite, or neither?
Composite numbers is a free educational video by Khan Academy.It helps students in grades 4 practice the following standards 4.OA.B.4.
1. 4.OA.B.4 : Find all factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1-100 is prime or composite..