Standard Description of 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.
Standards preceding 4.OA.B.4 are 3.OA.C.7. The Lumos Coherence map for 4.OA.B.4 includes standards correlations, description and a list of apps, questions, videos, books and other resources related to 4.OA.B.4