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