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