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