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