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