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