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