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