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