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