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