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