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