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