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