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