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