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