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