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