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