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