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