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