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