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