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