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