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