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