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