2 The greatest common factor (GCF) of 2 or more numbers is the largest number that can divide into all of the numbers. Find the GCF of 42 and 60. Write the prime factorization of each number.
3 Find the GCF of 42 and 60.1What prime factors do the numbers have in common? Multiply those numbers with the lowest exponents . The GCF is 2 x 3 = 6 6 is the largest number that can go into 42 and 60!
4 Greatest Common Factor Find the GCF of12 and 1818 and 2724 and 3036 and 4524 and 3616, 32 and 4018,27 and 36
5 Find the HCF of :2x3x5 and 2x3x72x3x5x7 and 2x2x3x113) 2x2x3x5 and 2x2x3x114) 2x2x2x5x7 and 2x2x2x5x115) 2x2x2x7x7 and 2x2x2x7x11