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