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