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