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