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