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