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