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