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