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