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