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