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