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