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