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