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