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