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