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