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