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