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