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