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