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