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