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