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