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