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