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