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