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