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