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