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