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