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