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