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