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