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