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