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