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