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