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