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