Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {19, 29, 12, 8, 2, 27} → ______
- Prime numbers in {5, 2, 23, 7, 19, 3} → ______
- Prime numbers in {27, 23, 17, 2, 8, 7} → ______
- Prime numbers in {11, 2, 13, 17, 12, 21} → ______
- Prime numbers in {3, 5, 29, 8, 11, 13} → ______
- Prime numbers in {17, 7, 13, 8, 9, 25} → ______
- Prime numbers in {7, 23, 13, 17, 11, 9} → ______
- Prime numbers in {12, 27, 17, 25, 3, 8} → ______
- Prime numbers in {19, 25, 11, 7, 3, 29} → ______
- Prime numbers in {25, 9, 15, 8, 23, 2} → ______
- Prime numbers in {27, 17, 25, 19, 15, 9} → ______
- Prime numbers in {9, 8, 17, 29, 23, 3} → ______
- Prime numbers in {29, 9, 11, 21, 25, 5} → ______
- Prime numbers in {23, 5, 13, 15, 11, 3} → ______
- Prime numbers in {13, 11, 2, 23, 21, 8} → ______
- Prime numbers in {15, 2, 8, 17, 3, 27} → ______
- Prime numbers in {15, 25, 19, 12, 21, 11} → ______
- Prime numbers in {23, 19, 11, 27, 29, 8} → ______
- Prime numbers in {21, 7, 15, 11, 23, 13} → ______
- Prime numbers in {5, 9, 15, 29, 19, 11} → ______