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