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