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