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