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