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