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