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 {11, 12, 7, 25, 15, 29} → ______
- Prime numbers in {17, 5, 11, 27, 23, 7} → ______
- Prime numbers in {9, 13, 23, 21, 3, 5} → ______
- Prime numbers in {5, 27, 13, 8, 15, 7} → ______
- Prime numbers in {25, 19, 5, 27, 9, 8} → ______
- Prime numbers in {29, 5, 15, 12, 27, 25} → ______
- Prime numbers in {21, 17, 8, 2, 3, 23} → ______
- Prime numbers in {11, 29, 21, 17, 3, 8} → ______
- Prime numbers in {2, 7, 12, 8, 11, 5} → ______
- Prime numbers in {29, 11, 25, 12, 23, 13} → ______
- Prime numbers in {11, 17, 8, 29, 21, 2} → ______
- Prime numbers in {5, 25, 7, 27, 12, 13} → ______
- Prime numbers in {7, 8, 23, 2, 21, 17} → ______
- Prime numbers in {2, 11, 8, 21, 25, 15} → ______
- Prime numbers in {23, 21, 11, 17, 8, 13} → ______
- Prime numbers in {15, 17, 11, 12, 21, 7} → ______
- Prime numbers in {2, 5, 7, 11, 15, 23} → ______
- Prime numbers in {2, 23, 5, 8, 15, 11} → ______
- Prime numbers in {11, 27, 9, 15, 25, 8} → ______
- Prime numbers in {27, 29, 11, 3, 5, 9} → ______