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