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