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