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