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