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