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