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