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