Multiples, factors and primes • I have investigated strategies for identifying common multiples and common factors, explaining my ideas to others, and can apply my understanding to solve related problems. • I can apply my understanding of factors to investigate and identify when a number is prime. • Identifies common multiples, including the lowest common multiple for whole numbers and can explain method used. • Identifies common factors, including the highest common factor for whole numbers and can explain method used. • Identifies prime numbers to 100 and can explain method used. • Solves problems using multiples and factors. • Writes a given number as a product of its prime factors.