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